Rathnayaka, R.N.P. & Wannigama, C. (2024). A quantitative study on student-related factors that affect the effective implementation of formative assessment practices in an exam-oriented environment, International Research Symposium of Faculty of Education, University of Colombo.
Rathnayaka, R.N.P. (2024) Teacher perceptions of formative assessment practices implemented by teachers in selected secondary schools in the Western Province of Sri Lanka, National Research Symposium, Sri Lanka Association for the Advancement of Education.
Rathnayaka, R.N.P. & Wannigama, C. (2023). Factor Analysis to identify the teacher-related factors that affect the effective implementation of formative assessment practices. International Research Symposium of Faculty of Education, University of Colombo. ISSN2691-5364
https://drive.google.com/file/d/1YHbAFm7VXH4YQXX4cr_5W6L59c49e9tU/view
Rathnayaka, R.N.P. & Wannigama, C. (2022). Internal Consistency Reliability of responses of students on formative assessment practices and student-related factors International Open University Research Sessions, The Open University of Sri Lanka, ISSN 2012-9912.
Rathnayaka, R.N.P. & Wannigama, C. (2021). Review of literature on the importance of different formative assessment strategies for an effective and collaborative teaching learning environment. Annual Research Symposium, University of Colombo, ISSN 2815-0481.
Rathnayaka, R.N.P., Wannigama, C., (2021), Review of literature on the importance of different formative assessment strategies for an effective and collaborative teaching learning environment, Annual Research Symposium, University of Colombo, P.163
D.V.M. De Silva, B.G.H. Anuruddhika, R.N.P. Rathnayake, K.A.C. Alwis, S. Kugamoorthy, K. Ketheeswaran, D.D.I. Deepthini, Dilini Chathurika, W.M.S. Weerakoon., (2021) Difficulties encountered by the students in completing the research project in undergraduate degree programmes, Proceedings of the Open University Research Sessions, The Open University of Sri Lanka, P.49.
D.V.M. De Silva, B.G.H. Anuruddhika, R.N.P. Rathnayake, K.A.C. Alwis, S. Kugamoorthy, K. Ketheeswaran, D.D.I. Deepthini, Dilini Chathurika, W.M.S. Weerakoon., (2020) Quality of the Practices Applied for the Facilitation of the Completion of the Research Project in Undergraduate Degree Programmes, CRADE-‘Quality Assurance Research for Institutional Development’-2020, The Open University of Sri Lanka, P.25.
http://192.248.73.38/bitstream/handle/94ousl/1701/CRADE-QA%20Abstracts%20-2020_2-2.pdf?sequence=1&isAllowed=y
Wanasinghe, W.M.S., Rathnayaka, R.N.P, Kaushalya Perera, S.A.S. (2019) Identification of issues encountered by students in completing the research dissertation of the Master of Education Degree Programme, Proceedings of the Open University Research Sessions, The Open University of Sri Lanka, P.25.
Rathnayaka, R.N.P., (2019) Issues faced by Teachers Relating to the Suitability of Achievement Test in Geography, Proceedings of the 2nd International Symposium on Social Sciences & Humanities (ISSSH), National Centre for Advanced Studies in Humanities and Social Sciences.p.76.
Rathnayaka, R.N.P, Chandradasa, W., (2018) Analyze the Content validity of Achievement Test Conducted at Provincial Level for the Subject Geography for Grade 11 Students, Annual Research Symposium, Faculty of Education, University of Colombo, P.27
Rathnayaka, R.N.P, (2016) Achieving Mathematical Concepts of Students by Using Computer as a Teaching Learning Aid, Proceedings of National Forum on Mathematics Education, “Enhancing Effectiveness of Mathematics Education at Secondary level”, Department of Mathematics, National Institute of Education, Maharagama.P.138.
Sirirwardane, M. S. P. M., Rathnayaka, R. N. P., (2016) Web Based Geographic Information System as a Teaching Aid for University Students Educating on Population Dynamics, Proceedings of Annual Research Symposium on Population Dynamics and Sustainable Development, Department of Demography, Faculty of Arts, University of Colombo.P.25.
Rathnayaka R.N.P, Sirirwardane, M. S. P. M., Karunathilake A., (2016) Use of Computer as a Teaching Learning Aid for Mathematics for Students in the Senior Secondary Stage in Sri Lanka,Book of Abstrcts, 4thConference on Sri Lanka – Japan Colloborative Research, “Collaborations: The Pathway to success:, Sri Lanka Japan Study Centre, University of Peradeniya, Sri Lanka.P.42
Matharaarachchi D.S., Siriwardane M.S.P.M., Rathnayaka R.N.P, (2016) The identification of Geographical and human effects on the conservation of the Thalawila coastal wetland by using geospatial approaches,Proceedings of International Research Conference on managing Transitions for Empowerment:Srilanka Yesterday, Today and Tomorrow, Faculty of Arts, University of Colombo, Sri lanka.P.25.
Sirirwardane, M. S. P. M.,Samanmali, M. A. D., Rathnayake, R. N. P., (2015), Cloud Based GIS Approach for Monitoring Environmental Changes in the Coastal Zone of Kalutara, Sri Lanka, Sri Lanka Journal of Environment Management and Planning,vol.1.(2016),ISSN 2513-292X.P.34-39, Central Environmental Authority. Sri lanka.
Sirirwardane, M. S. P. M.,Samanmali, M. A. D., Rathnayake, R. N. P., (2015), Cloud Based GIS Approach for Monitoring Environmental Pollution in the Coastal Zone of Kalutara, Sri Lanka, Journal of Tropical Forestry and Environment Vol. 5. No 01 (2015), ISSN 2235-9370 Print/ISSN 2235-9362 Online © University of Sri Jayewardenepura. p.9 -18.
Available from: http://journals.sjp.ac.lk/index.php/JTFE/article/view/2493/1503(Accessed 2/11)2015)
Sirirwardane, M. S. P. M., Samanmali, M. A. D., Rathnayake, R. N. P., (2015)Cloud Based GIS Approach for Monitoring Environmental Changes in the Coastal Zone of Kalutara, Sri Lanka, Proceedings of 1st International Symposium on Environment Management and Planning, Central Environmental Authority. p.14.
Sirirwardane, M. S. P. M.Samanmali, M. A. D., Rathnayake, R. N. P., (2014)Cloud Based GIS Approach for Monitoring Environmental Pollution in the Coastal Zone of Kalutara, Sri Lanka, Challenges and Solutions in Forestry and Environment Management, Proceedings of 19th International Forestry and Environment Symposium 2014, Department of Forestry and Environmental Sciences, University of Sri Jayewardenepura. p.118.
