• E-mail(s) : ranayomi@wyb.ac.lk
  • Office Number :
  • Address: Department of Physiology
    Faculty of Medicine ,
    Wayamba University of Sri Lanka
    Labuyaya, Kuliyapitiya
  • Orcid logo ORCHID

Other Profiles

Dr. (Ms.) RAN Ranathunga

Senior Lecturer

Department of Physiology

Academic Qualifications

  • M.Phil., University of Kelaniya, Sri Lanka, 2016
  • MBBS, Faculty of Medicine, University of Kelaniya, 2010

Professional Qualifications / Memberships / Experience

  • Registered Medical Officer, Sri Lanka Medical Council – Reg. No:29366
  • Member of Physiological Society of Sri Lanka
  • Member of Sri Lanka Medical Association – Reg. No. O:2766/3
  • Training course in cell culture techniques, University of Colombo, January 2021
  • Workshop on Phylogenetic, University of Peradeniya, November 2018
  • Senior House Officer, Base Hospital Kuliyapitiy, October 2013 to September 2018
  • Relief House Officer Special Care Baby Unit, North Colombo Teaching Hospital, Ragama, 2013
  • Intern Medical Officer, Gynaecology & Obstetrics: De Zoysa Hospital for Women, Colombo, and December 2011 – May 2012
  • Intern Medical Officer Pediatrics, Lady Ridgeway Hospital for children, May 2012- December 2012
  • Temporary Demonstrator, Faculty of Medicine, University of Kelaniya, 2010 – December 2011
  • Research Assistant, Faculty of Medicine, University of Kelaniya, Ragama, 2010 - 201

Scholarships/ Awards/ Medal/Grants

  • National Research Council Merit Award for Scientific Publications in 2012
  • National Research Council Merit Award for Scientific Publications in 2014
  • Best Oral Presentation in 19th International Conference on Air Pollution and Control held in London, May 2017
  • National Science Foundation travel grant in 2017 April to attend the 19th International Conference on Air Pollution and Control, held in London May 2017
  • University Research Grant 2019

Research Interest

  • Air pollution related health issues
  • Medical Education
  • Dengue
  • Paediatric growth and development

Administrative Contributions / Committees (University / Faculty)

  • Faculty Coordinator of Faculty Quality Assurance - Faculty of Medicine
  • Secretary to the Physiological Society of Sri Lanka 2020
  • Secretary to the Kuliyapitiya Teacher’s Association (Teacher’s Union) of the University 2020/2021
  • Panelist in the round table discussion in 4th international workshop on Techniques in Physiological Sciences for SAARC Nations, held in All India Institute of Medicine, New Delhi - December 2018

Publications

1. International refereed journals & international conference proceedings International refereed journals

  1. Rajindrajith, S., Ranathunga, N., Jayawickrama, N., van Dijk, M., Benninga, M.A. and Devanarayana, N.M., 2020. Behavioral and emotional problems in adolescents with constipation and their association with quality of life. Plos one, 15(10), p.e0239092
  2. Nayomi Ranathunga, Priyantha Perera, Sumal Nandasena, Nalini Sathiakumar, Anuradhani Kasturiratne, Rajitha Wickramasinghe, Effect of household air pollution due to solid fuel combustion on childhood respiratory diseases in a semi-urban population in Sri Lanka, BMC Pediatrics 2019; 19(1):306
  3. Priyantha Julian Perera, Meranthi Fernando, Nayomi Ranathunga, The patterns of dental caries among preschool children in a mixed urban/suburban population in Sri Lanka and maternal knowledge about importance of primary dentition. International Journal of Dentistry & Oral Heal. 03/2018; 4:3, 27-31.
  4. Priyantha Julian Perera, Meranthi Preethika Fernando, Tania Dayanthi Warnakulasooriya, Nayomi Ranathunga, Effect of feeding practices on dental caries among preschool children: A hospital-based analytical cross-sectional study, Asia Pacific Journal of Clinical Nutrition 06/2014; 23(2):272-277. DOI:10.6133/apjcn.2014.23.2.13
  5. Priyantha Julian Perera, Meranthi Preethika Fernando, Nayomi Ranathunga, Wikum Sampath, Rohini Samaranayake, Sachith Meththananda, Growth parameters of Sri Lankan children during infancy: A comparison with world health organization multicentre growth reference study, Journal of human growth and development, 2014;24(1): 11-15
  6. Perera PJ,Ranathunga N, Samaranayake GB, Samaranayake R, Events following BCG vaccination during neonatal period and factors that might affect potency and side effects, Journal of Vaccines and Immunization, 06/2013; 1(1):1-5. DOI:10.14312/2053-1273.2013-1
  7. P J Perera, A R Wickramasinghe, N Ranathunga, M P Fernando, D Warnakulasooriya, Statistical characteristics of anterior fontanelle size at birth of term Sri Lankan new borns: a descriptive cross-sectional study, Ceylon Medical Journal 09/2013; 58(3):96-100. DOI:10.4038/cmj.v58i3.6102
  8. Priyantha J Perera, Nayomi Ranathunga,Tania D Warnakulasuriya, RajithaA Wickremasinghe, MeranthiP Fernando, Growth parameters at birth of babies born in Gampaha district, Sri Lanka, and factors influencing them. WHO-SEA Journal of Public Health, 01/2013; 2(1):57. DOI:10.4103/2224-3151.115845
  9. Priyantha J Perera, Dhammika Disanayake, Meranthi P Fernando, Tania D Warnakulasooriya, Nayomi Ranathunga, Knowledge and practices related to helminth infections among mothers living in a suburban area of Sri Lanka, The South-east Asian journal of tropical medicine and public health, November 2012 Vol 43, No. 6, Page – 1326 http://www.tm.mahidol.ac.th/seameo/journal-43-6-2012.html
  10. Priyantha J Perera, Nayomi Ranathunga, Meranthi P Fernando, Wikum Sampath Gayani B Samaranayake, Actual exclusive breastfeeding rates and factors influencing them, among a cohort of children living in Gampaha district Sri Lanka: A prospective observational study. International Breastfeeding Journal, MS: 1998215488768067,2 Dec 2012, http://www.internationalbreastfeedingjournal.com/ 6
  11. Priyantha J Perera, Nishadhi T Abeyweera, Meranthi P Fernando, Tania D Warnakulasuriya, Nayomi Ranathunga, Prevalence of dental caries among a cohort of preschool children living in Gampaha district, Sri Lanka: A descriptive cross-sectional study. BMC Oral Health 11/2012; 12(1):49. DOI:10.1186/1472-6831-12-49 http://www.biomedcentral.com/1472-6831/12/49
  12. Perera PJ, Fernando M, Warnakulasuria T, Ranathunga N, Feeding practices among children attending child welfare clinics in Ragama MOH area: a descriptive cross-sectional study. International Breastfeeding Journal, 6:18, Nov 2011 http://www.internationalbreastfeedingjournal.com/content/6/1/18.

2. Local Conference Proceedings

  1. Nanayakkara P.M., Ranathunga R.A.N, English Language Proficiency and Academic Performance of First-Year Medical Students of Faculty of Medicine, the Wayamba University of Sri Lanka to be presented at Colombo Conference on Medical Education 2019 14th -15th November 2019
  2. Shaluka Manchanayake, Gayani Samaranayake, Nayomi Ranathunga, Marsh Muthuthamby, Kaushalya Dissanayake, Ayodhya Rajapaksha, Chamali Rathnayake, Shobha Gunathilaka, Usage of blood and blood products in a base hospital, Sri Lanka, 7th Annual Clinical Sessions of Galoya Nimna Clinical Society, 24th -27th September 2019
  3. Nanayakkara P.M., Ranathunga R.A.N, Evaluation of the Professional Transitional Programme of first-year medical students of Wayamba University of Sri Lanka Wayamba University research Congress 2019, 11th July 2010
  4. Shaman Rajindrajith, Nayomi Ranathunga, Niranga Manjuri Devanarayana, Behavioral problems in adolescents with functional constipation, 21st Annual Scientific Congress of the Sri Lanka College of Paediatricians 2018, to be held on 19th – 20th September 2018
  5. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Effects of indoor air pollution on Children under 5, Air That We Breath” Seventh National Symposium on Air Resource Management in Sri Lanka, 21st and 22nd of June 2018
  6. Nilushika Weerapperuma, Nayomi Ranathunga, Shamen Rajindrajith, Niranga Devanarayana, Epidemiology, and behavioral profile of functional gastrointestinal disorders in a group of Sri Lankan children, 6th global congress for consensus in peadiatrics and child health, November 12-15, 2017. pp.77
  7. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Indoor air pollution effects on physical growth of children under 5 years from solid fuel combustion, International Journal of environmental and ecological engineering. Vol:04, No:05, 2017
  8. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Effect of indoor air pollution due to solid fuel combustion on development of children under 5 years, 8th Excellence in peadiatrics conference, London 2016 December 8th -10th, pp.10
  9. R A N Ranathunga, D.M. Dissanayake, Anurudda Dalappaththige, M.G.R. S S Gunathilaka, MMPAN Fernando. Bacterial uropathogens causing urinary tract infections and the antibacterial susceptibility pattern of these uropathogens in Base Hospital Kuliyapitiya, 5th Annual conference, and scientific sessions of the Sri Lankan society for microbiology. Kandy 2016 October 21st
  10. R A N Ranathunga, D.M. Dissanayake, Anurudda Dalappaththige, M.G.R. S S Gunathilaka. Prevalence of Urinary Tract Infection among suspected patients in medical wards in two different hospital settings, 49th Annual Academic Sessions of Ceylon College of Physicians. Colombo 2016 September 22nd -24th, pp.20
  11. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Effect of indoor air pollution due to solid fuel combustion on childhood respiratory diseases, 127th Anniversary International Medical Congress of SLMA, 2014, pp.97
  12. P Perera, N Abeweera, M Fernando, TWwarnakulasuria, N Ranathunga, Dental hygiene practices, and the pattern of dental caries in preschool children in Ragama, Faculty of Medicine, University of Kelaniya. The Ceylon Medical Journal – Vol 57; Supp 01; June 2012,pp.05
  13. P Perera, G Samaranayaka, R Samaranayaka, N Ranathunga, Sequelae of BCG vaccination at neonatal period and effects of cleaning vaccine site with alcohol, Faculty of Medicine, University of Kelaniya. The Ceylon Medical Journal – Vol 57; Supp 01; June 2012, pp.97
  14. P Perera, D Dissanayaka, M Fernando, N Ranathunga, Knowledge of mothers regarding helminth infections and patterns of anthelminthic usage in children, Faculty of Medicine, University of Kelaniya The Ceylon Medical Journal – Vol 57; Supp 01; June 2012, pp.09
  15. Priyantha J Perera, Meranthi Fernando, Tania Warnakulasuriya, Nayomi Ranatunga, Growth Parameters at birth of babies born in Gampaha district, Sri Lanka. Asia Pacific Academic Consortium for Public Health (APACPH) conference 2012, OP
  16. Perera, M. Fernando, G. Samaranayake, N. Ranathunga, R. Samaranayake, Exclusive breastfeeding rate and factors influencing it among children of Gampaha district, Asia Pacific Academic Consortium for Public Health (APACPH) conference 2012, pp.156
  17. Perera KPJ, Fernando M, Warnakulasuriya T, Ranathunga N, Feeding practices of children attending well-Baby clinics in Ragama MOH area: A descriptive cross-sectional study, The Ceylon Medical Journal – Vol 56; Supp 01; June 2011, pp.40
  18. RAN Ranathunga, NP Ramanayaka, MWDTB Rambukwella, ATM Ranasinghe, JADRC Ranasinghe, AGRMA Ranaweera, LDTP Rathnasekara, Knowledge and Practices of office workers in Gampaha Municipal area in relation to abdominal obesity. Young researchers’ symposium 2009, Faculty of Medicine, University of Kelaniya.
  19. Ranathunga, RAN., Nanayakkara, P., and Rajapaksha, R., 2019. English Language Proficiency and Academic Performance of First-Year Medical Students of Faculty of Medicine, Wayamba University of Sri Lanka. Colombo Conference, 2019 Edition.
  20. Ranathunga, RAN., Muthuthamby, M., Mathangasinghe, Y., Subramaniam, N., and Nissankaarachchi, R., 2019. Free online tools: A “do-it-yourself way to increase the productivity of lectures. Colombo Conference, 2019 Edition.
  21. Ranathunga, RAN, Muthuthamby, M., Mathangasinghe, Y., Nilmini, K., Rathnayake, W., Samaranayake, S. and Dissanayake, D., 2019. First-year medical students’ learning modalities and their effects on academic performance. Colombo Conference, 2019 Edition.
  22. Ranathunga, RAN., Muthuthamby, M., Samaranayake, G., Manchanayake, S., Dissanayake, K., Rajapaksha, A., Rathnayake, C., and Gunathilaka, S., 2019. Usage of blood and blood products in a base hospital. Annual Clinical Sessions of Galoya Nimna Clinical Society, 7th.
  23. Ranathunga, RAN, and Nanayakkara, P., 2019. Evaluation of the Professional Transitional Programme of first-year medical students of the Wayamba University of Sri Lanka. Wayamba University research Congress. 2019
  • E-mail(s) : ranayomi@wyb.ac.lk
  • Office Number :
  • Address: Department of Physiology
    Faculty of Medicine ,
    Wayamba University of Sri Lanka
    Labuyaya, Kuliyapitiya
  • Orcid logo ORCHID

Other Profiles

Dr. (Ms.) RAN Ranathunga

Senior Lecturer

Department of Physiology

Academic Qualifications

  • M.Phil., University of Kelaniya, Sri Lanka, 2016
  • MBBS, Faculty of Medicine, University of Kelaniya, 2010

Professional Qualifications / Memberships / Experience

  • Registered Medical Officer, Sri Lanka Medical Council – Reg. No:29366
  • Member of Physiological Society of Sri Lanka
  • Member of Sri Lanka Medical Association – Reg. No. O:2766/3
  • Training course in cell culture techniques, University of Colombo, January 2021
  • Workshop on Phylogenetic, University of Peradeniya, November 2018
  • Senior House Officer, Base Hospital Kuliyapitiy, October 2013 to September 2018
  • Relief House Officer Special Care Baby Unit, North Colombo Teaching Hospital, Ragama, 2013
  • Intern Medical Officer, Gynaecology & Obstetrics: De Zoysa Hospital for Women, Colombo, and December 2011 – May 2012
  • Intern Medical Officer Pediatrics, Lady Ridgeway Hospital for children, May 2012- December 2012
  • Temporary Demonstrator, Faculty of Medicine, University of Kelaniya, 2010 – December 2011
  • Research Assistant, Faculty of Medicine, University of Kelaniya, Ragama, 2010 - 201

Scholarships/ Awards/ Medal/Grants

  • National Research Council Merit Award for Scientific Publications in 2012
  • National Research Council Merit Award for Scientific Publications in 2014
  • Best Oral Presentation in 19th International Conference on Air Pollution and Control held in London, May 2017
  • National Science Foundation travel grant in 2017 April to attend the 19th International Conference on Air Pollution and Control, held in London May 2017
  • University Research Grant 2019

Research Interest

  • Air pollution related health issues
  • Medical Education
  • Dengue
  • Paediatric growth and development

Administrative Contributions / Committees (University / Faculty)

  • Faculty Coordinator of Faculty Quality Assurance - Faculty of Medicine
  • Secretary to the Physiological Society of Sri Lanka 2020
  • Secretary to the Kuliyapitiya Teacher’s Association (Teacher’s Union) of the University 2020/2021
  • Panelist in the round table discussion in 4th international workshop on Techniques in Physiological Sciences for SAARC Nations, held in All India Institute of Medicine, New Delhi - December 2018

Publications

1. International refereed journals & international conference proceedings International refereed journals

  1. Rajindrajith, S., Ranathunga, N., Jayawickrama, N., van Dijk, M., Benninga, M.A. and Devanarayana, N.M., 2020. Behavioral and emotional problems in adolescents with constipation and their association with quality of life. Plos one, 15(10), p.e0239092
  2. Nayomi Ranathunga, Priyantha Perera, Sumal Nandasena, Nalini Sathiakumar, Anuradhani Kasturiratne, Rajitha Wickramasinghe, Effect of household air pollution due to solid fuel combustion on childhood respiratory diseases in a semi-urban population in Sri Lanka, BMC Pediatrics 2019; 19(1):306
  3. Priyantha Julian Perera, Meranthi Fernando, Nayomi Ranathunga, The patterns of dental caries among preschool children in a mixed urban/suburban population in Sri Lanka and maternal knowledge about importance of primary dentition. International Journal of Dentistry & Oral Heal. 03/2018; 4:3, 27-31.
  4. Priyantha Julian Perera, Meranthi Preethika Fernando, Tania Dayanthi Warnakulasooriya, Nayomi Ranathunga, Effect of feeding practices on dental caries among preschool children: A hospital-based analytical cross-sectional study, Asia Pacific Journal of Clinical Nutrition 06/2014; 23(2):272-277. DOI:10.6133/apjcn.2014.23.2.13
  5. Priyantha Julian Perera, Meranthi Preethika Fernando, Nayomi Ranathunga, Wikum Sampath, Rohini Samaranayake, Sachith Meththananda, Growth parameters of Sri Lankan children during infancy: A comparison with world health organization multicentre growth reference study, Journal of human growth and development, 2014;24(1): 11-15
  6. Perera PJ,Ranathunga N, Samaranayake GB, Samaranayake R, Events following BCG vaccination during neonatal period and factors that might affect potency and side effects, Journal of Vaccines and Immunization, 06/2013; 1(1):1-5. DOI:10.14312/2053-1273.2013-1
  7. P J Perera, A R Wickramasinghe, N Ranathunga, M P Fernando, D Warnakulasooriya, Statistical characteristics of anterior fontanelle size at birth of term Sri Lankan new borns: a descriptive cross-sectional study, Ceylon Medical Journal 09/2013; 58(3):96-100. DOI:10.4038/cmj.v58i3.6102
  8. Priyantha J Perera, Nayomi Ranathunga,Tania D Warnakulasuriya, RajithaA Wickremasinghe, MeranthiP Fernando, Growth parameters at birth of babies born in Gampaha district, Sri Lanka, and factors influencing them. WHO-SEA Journal of Public Health, 01/2013; 2(1):57. DOI:10.4103/2224-3151.115845
  9. Priyantha J Perera, Dhammika Disanayake, Meranthi P Fernando, Tania D Warnakulasooriya, Nayomi Ranathunga, Knowledge and practices related to helminth infections among mothers living in a suburban area of Sri Lanka, The South-east Asian journal of tropical medicine and public health, November 2012 Vol 43, No. 6, Page – 1326 http://www.tm.mahidol.ac.th/seameo/journal-43-6-2012.html
  10. Priyantha J Perera, Nayomi Ranathunga, Meranthi P Fernando, Wikum Sampath Gayani B Samaranayake, Actual exclusive breastfeeding rates and factors influencing them, among a cohort of children living in Gampaha district Sri Lanka: A prospective observational study. International Breastfeeding Journal, MS: 1998215488768067,2 Dec 2012, http://www.internationalbreastfeedingjournal.com/ 6
  11. Priyantha J Perera, Nishadhi T Abeyweera, Meranthi P Fernando, Tania D Warnakulasuriya, Nayomi Ranathunga, Prevalence of dental caries among a cohort of preschool children living in Gampaha district, Sri Lanka: A descriptive cross-sectional study. BMC Oral Health 11/2012; 12(1):49. DOI:10.1186/1472-6831-12-49 http://www.biomedcentral.com/1472-6831/12/49
  12. Perera PJ, Fernando M, Warnakulasuria T, Ranathunga N, Feeding practices among children attending child welfare clinics in Ragama MOH area: a descriptive cross-sectional study. International Breastfeeding Journal, 6:18, Nov 2011 http://www.internationalbreastfeedingjournal.com/content/6/1/18.

2. Local Conference Proceedings

  1. Nanayakkara P.M., Ranathunga R.A.N, English Language Proficiency and Academic Performance of First-Year Medical Students of Faculty of Medicine, the Wayamba University of Sri Lanka to be presented at Colombo Conference on Medical Education 2019 14th -15th November 2019
  2. Shaluka Manchanayake, Gayani Samaranayake, Nayomi Ranathunga, Marsh Muthuthamby, Kaushalya Dissanayake, Ayodhya Rajapaksha, Chamali Rathnayake, Shobha Gunathilaka, Usage of blood and blood products in a base hospital, Sri Lanka, 7th Annual Clinical Sessions of Galoya Nimna Clinical Society, 24th -27th September 2019
  3. Nanayakkara P.M., Ranathunga R.A.N, Evaluation of the Professional Transitional Programme of first-year medical students of Wayamba University of Sri Lanka Wayamba University research Congress 2019, 11th July 2010
  4. Shaman Rajindrajith, Nayomi Ranathunga, Niranga Manjuri Devanarayana, Behavioral problems in adolescents with functional constipation, 21st Annual Scientific Congress of the Sri Lanka College of Paediatricians 2018, to be held on 19th – 20th September 2018
  5. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Effects of indoor air pollution on Children under 5, Air That We Breath” Seventh National Symposium on Air Resource Management in Sri Lanka, 21st and 22nd of June 2018
  6. Nilushika Weerapperuma, Nayomi Ranathunga, Shamen Rajindrajith, Niranga Devanarayana, Epidemiology, and behavioral profile of functional gastrointestinal disorders in a group of Sri Lankan children, 6th global congress for consensus in peadiatrics and child health, November 12-15, 2017. pp.77
  7. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Indoor air pollution effects on physical growth of children under 5 years from solid fuel combustion, International Journal of environmental and ecological engineering. Vol:04, No:05, 2017
  8. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Effect of indoor air pollution due to solid fuel combustion on development of children under 5 years, 8th Excellence in peadiatrics conference, London 2016 December 8th -10th, pp.10
  9. R A N Ranathunga, D.M. Dissanayake, Anurudda Dalappaththige, M.G.R. S S Gunathilaka, MMPAN Fernando. Bacterial uropathogens causing urinary tract infections and the antibacterial susceptibility pattern of these uropathogens in Base Hospital Kuliyapitiya, 5th Annual conference, and scientific sessions of the Sri Lankan society for microbiology. Kandy 2016 October 21st
  10. R A N Ranathunga, D.M. Dissanayake, Anurudda Dalappaththige, M.G.R. S S Gunathilaka. Prevalence of Urinary Tract Infection among suspected patients in medical wards in two different hospital settings, 49th Annual Academic Sessions of Ceylon College of Physicians. Colombo 2016 September 22nd -24th, pp.20
  11. R A N Ranathunga, K P J Perera, Y L S Nandasena, A Kasturiratne, N Sathiakumar, A R Wickramasinghe, Effect of indoor air pollution due to solid fuel combustion on childhood respiratory diseases, 127th Anniversary International Medical Congress of SLMA, 2014, pp.97
  12. P Perera, N Abeweera, M Fernando, TWwarnakulasuria, N Ranathunga, Dental hygiene practices, and the pattern of dental caries in preschool children in Ragama, Faculty of Medicine, University of Kelaniya. The Ceylon Medical Journal – Vol 57; Supp 01; June 2012,pp.05
  13. P Perera, G Samaranayaka, R Samaranayaka, N Ranathunga, Sequelae of BCG vaccination at neonatal period and effects of cleaning vaccine site with alcohol, Faculty of Medicine, University of Kelaniya. The Ceylon Medical Journal – Vol 57; Supp 01; June 2012, pp.97
  14. P Perera, D Dissanayaka, M Fernando, N Ranathunga, Knowledge of mothers regarding helminth infections and patterns of anthelminthic usage in children, Faculty of Medicine, University of Kelaniya The Ceylon Medical Journal – Vol 57; Supp 01; June 2012, pp.09
  15. Priyantha J Perera, Meranthi Fernando, Tania Warnakulasuriya, Nayomi Ranatunga, Growth Parameters at birth of babies born in Gampaha district, Sri Lanka. Asia Pacific Academic Consortium for Public Health (APACPH) conference 2012, OP
  16. Perera, M. Fernando, G. Samaranayake, N. Ranathunga, R. Samaranayake, Exclusive breastfeeding rate and factors influencing it among children of Gampaha district, Asia Pacific Academic Consortium for Public Health (APACPH) conference 2012, pp.156
  17. Perera KPJ, Fernando M, Warnakulasuriya T, Ranathunga N, Feeding practices of children attending well-Baby clinics in Ragama MOH area: A descriptive cross-sectional study, The Ceylon Medical Journal – Vol 56; Supp 01; June 2011, pp.40
  18. RAN Ranathunga, NP Ramanayaka, MWDTB Rambukwella, ATM Ranasinghe, JADRC Ranasinghe, AGRMA Ranaweera, LDTP Rathnasekara, Knowledge and Practices of office workers in Gampaha Municipal area in relation to abdominal obesity. Young researchers’ symposium 2009, Faculty of Medicine, University of Kelaniya.
  19. Ranathunga, RAN., Nanayakkara, P., and Rajapaksha, R., 2019. English Language Proficiency and Academic Performance of First-Year Medical Students of Faculty of Medicine, Wayamba University of Sri Lanka. Colombo Conference, 2019 Edition.
  20. Ranathunga, RAN., Muthuthamby, M., Mathangasinghe, Y., Subramaniam, N., and Nissankaarachchi, R., 2019. Free online tools: A “do-it-yourself way to increase the productivity of lectures. Colombo Conference, 2019 Edition.
  21. Ranathunga, RAN, Muthuthamby, M., Mathangasinghe, Y., Nilmini, K., Rathnayake, W., Samaranayake, S. and Dissanayake, D., 2019. First-year medical students’ learning modalities and their effects on academic performance. Colombo Conference, 2019 Edition.
  22. Ranathunga, RAN., Muthuthamby, M., Samaranayake, G., Manchanayake, S., Dissanayake, K., Rajapaksha, A., Rathnayake, C., and Gunathilaka, S., 2019. Usage of blood and blood products in a base hospital. Annual Clinical Sessions of Galoya Nimna Clinical Society, 7th.
  23. Ranathunga, RAN, and Nanayakkara, P., 2019. Evaluation of the Professional Transitional Programme of first-year medical students of the Wayamba University of Sri Lanka. Wayamba University research Congress. 2019