Vitharana, P. A. (2021). Educational Research: Qualitative Approach. Nelundeniya: Biographic Educational Publications (Published in Sinhala)

Vitharana, P. A. (2021). Educational Assessment. Nelundeniya: Biographic Educational Publications (Published in Sinhala)

Vitharana, P. A. (2021). Teaching Science. Nelundeniya: Biographic Educational Publications (Published in Sinhala)

Vitharana, P. A. (2020). Science teaching learning process: Misconceptions. Nelundeniya: Biographic Educational Publications. (Published in Sinhala)

Vitharana, P. A. (2010) Learning through activities, (Author Publication).

Karunaratne, S., Vitharana, P., Mahagamage, P.K., Irani, U., Yatigammana, S., “Knit together for a better service – towards a culture of collegiality in teaching science in Sri Lanka”, Reforming Teaching and Learning: Comparative perspectives in a Global Era (Book), Sense Publishers, 2009.

Vitharana P. R. K. A. (2021). Secondary school learners conceptions of the structure and function of the Human Circulatory System. International Journal of Humanities Social Sciences and Education, 8(4), 283-292.

Vitharana P. R. K. A (2020). Evaluation of Post Graduate students’ online learning experience during COVID 19 pandemic situation. International Journal of Innovative Research and Knowledge. 5 (12, 63-75.

Vitharana P. R. K. A (2017). Primary teachers’ understanding of science and its impact on student learning, International Journal of Social Science and Technology, 2 (4). 13-26.

Vitharana P. R. K. A (2015). Student misconceptions about plant transport – a Sri Lankan example, European Journal of Science and Mathematics Education, 3(3), 275‐288.

Vitharana P. R. K. A (2015). Students’ understanding of light concepts in the secondary school, International Journal for Innovation Education and Research,3(6), 36-49.

Kumari, H.M.N.D.& Vitharana, P.R.K.A. (2020). Teacher awareness on teaching Environment Related Activities through integration. Sri Lanka Educational Research Journal, 16 (Published in Sinhala)

Wijerathna, H. A. D. T & Vitharana, P.R.K.A. (2020). A study on use of metacognitive strategies in teaching learning process of Geometry. Sri Lanka Educational Research Journal, 16 (Published in Sinhala)

Vitharana P. R. K. A. & Karunaratne, S. (2005). Learning science through Environment Related Activities at key stage one, Ceylon Journal of sciences: Physical Sciences, 10, 125-130

Vitharana P. R. K. A. & Abeykoon Menike A.R.G.A.M. (2011). ‘Challenges of teaching science at secondary stage in the changing world’. Selected Papers of the Second IOCES Conference: Globalization of Education: Convergence towards a World Culture of Schooling,Maldives, September 16-18. 2011, (pp. 133-142).

Samarasekara N. G. P. & Vitharana P.R. K. A. (2014). ‘Experiences and challenges of teaching science at junior secondary level’, In A. Ramanan and B. Nimalathasan (Eds.). Proceedings of Jaffna University International Research Conference (JUICE-2012), Sri Lanka. (pp. 99- 104).

Eriyagama, I. S. K. and Vitharana P. R. K. A. (2015). ‘Prospective Teachers’ perceptions on lesson planning’, Indian Ocean Comparative Education Society (IOCES) 4th Conference, Bangalore, India, June 16-17, 2015 (pp. 189-191)

Premalatha, M. G. W. S. and Vitharana, P. R. K. A. (2015). ‘Enhancing grade six students’ participation in science through activities’, Indian Ocean Comparative Education Society (IOCES) 4th Conference, Bangalore, India, June 16-17, 2015 (189-191).

Vitharana, P.RK.A., Yatigammana, T.M.S.S.K. ‘Primary teachers’ awareness on stem integration’, International Research Sessions, (iPURSE), University of Peradeniya, Virtual, November 11-12, 2021.

Vitharana, P.R.K.A., Ekanayake, E.M.P.C.S., Lindakumbura, V., ‘Postgraduate student perception of online learning and face to face learning’, International Research Sessions, (iPURSE), University of Peradeniya, Virtual, November 11-12, 2021.

Kumari, H. M. N. D and Vitharana P. R. K. A. (2019). ‘A study on teaching Environment Related Activities in primary schools through integration’. First Research Symposium of Sariputta National College of Education, Dambadeniya, 2019.

Bandara, G.G.H.M.H.S and Vitharana, P.R.K.A. (2019). ‘Use of a practical component to improve students’ basic science process skills’. Proceedings of the Postgraduate Institute of Science Research Congress, Postgraduate Institute of Science. Sri Lanka, October 11th, 2019,

Jayasundara, J.M.C.N. and Vitharana, P.R.K.A. (2019).’ Teacher’ views on teaching-learning process of G.C.E. (A/L) Biosystems Technology in Kandy District.’ Proceedings of the Postgraduate Institute of Science Research Congress, Postgraduate Institute of Science. Sri Lanka, October 11th, 2019,

Vitharana, P.R.K.A. & Abeykoon Menike A.R.G.A.M .,(2016)). ‘Professional development of secondary science teachers’, International Research Sessions, (iPURSE), University of Peradeniya, November 4-5, 2016.

Vitharana P. R. K. A. (2015). ‘Assessment of grade ten students’ understanding of light concept’. 4th Indian Ocean Comparative Education Society (IOCES), Bangalore, India, June 16-17, 2015.

Premalatha, M. G. W. S. and Vitharana, P. R. K. A. (2014). ‘Enhancing performance in science of grade six students through activities. Proceeding of the Postgraduate Institute of Science Research Congress, Sri Lanka: 10th &11th October 2014.

Vitharana P.R.K.A. and Vitharana K. B. A. (2014). ‘Use of students’ drawing to assess understanding of the ‘light’ concept’, International Research Sessions, (iPURSE), University of Peradeniya, July4-5, 2014.

Samarasekara, N. G. P. and Vitharana P. R. K. A. (2014). ‘Teaching learning process and achievement of Physics concepts at grade nine’, International Research Sessions, (iPURSE). University of Peradeniya, July4-5, 2014.

Vitharana P.R.K.A. (2014). ,Secondary students’ conceptual understanding of science’, International Research Conference on Humanities and Social Sciences, (IRCHSS), University of Sri Jayawardanapura, October 15-16, 2014.

Premalatha M. G.W.S. and Vitharana P.R.K.A. (2013). ‘Introducing active teaching learning methods to enhance sixth graders achievement on ‘Plant Diversity’, Second International Conference on Humanities and Social Sciences (IRCHSS), University of Sri Jayawardanapura. December 4-5, 2013.

Vitharana P. R. K. A. & Karunaratne, S.(2013). ‘Developing primary teacher professional competencies to face challenges in education’, 3rd IOCES conference, Faculty of Education, Khon Kaen University, January 21-23, 2013.

Samarasekara N. G. P. & Vitharana P.R. K. A. (2012).’Concept teaching in Physics at junior secondary level’, Proceedings of Peradeniya University Research Sessions, (PURSE ), University of Peradeniya, 4th July, 2013.

Vitharana P. R. K. A. & Abeykoon Menike A.R.G.A.M. (2011). ‘Construction of science knowledge of 10th graders in Sri Lanka’. 1st International Conference on the Social sciences and the Humanities (ICSSH), University of Peradeniya, Sri Lanka, December 16-17, 2011.

Vitharana P. R. K. A. (2011). ‘Development of a two-tier diagnostic instrument to assess students understanding of plant transport and human circulatory system’, 4th International Conference on Science and Mathematics Education (CoSMEd), Penang, Malaysia, November 15-17, 2011.

Samarasekara N. G. P. & Vitharana P.R. K. A. (2011). ‘Effect on instructional method on Physics concept achievement at six’, Peradeniya University Research Sessions (PURSE ), University of Peradeniya, Sri Lanka , 24th November 2011.

Vitharana P. R. K. A. & Karunaratne S. (2010). ‘Enhancing teacher competencies in organizing groupwork’, Peradeniya University Research Sessions, (PURSE). University of Peradeniya, Sri Lanka, 16th December, 2010.

Vitharana P. R. K. A. & Karunaratne S.(2009). ‘Developing hands-on activities to avoid threats of possessing science misconceptions’ Peradeniya University Research Sessions,(PURSE), University of Peradeniya, Sri Lanka, 3rd December, 2009.