Gunawardana, V.D.N.S.(3rd International congress, Society of South Asian Archaeology (SOSAA), Centre for Asian Studies, University of Kelaniya, Sri Lanka, 2010)
Jinadasa M P K; Rajapaksha C(?Modeling The Issues and Challenges Towards Sustainable Development?,2nd international Symposium. 8th-12th July 2008. Sabaragamuwa University of Sri Lanka. Kelaniya, Sri Lanka, 2006)
Jayasekara, A.H.D.; Jinadasa, M.P.K.; Rajapaksha, S.; Harath, D.B.; Somarathna, D.(11th Annual Research Symposium, Faculty of Graduates Studies, University of Kelaniya Sri Lanka, 2010)
Gunawardana, V.D.N.S.(UGC-SAP National Seminar on Social Cultural Transformations in Early South India, School of Social Sciences and International studies, Department of History, Pondicherry University India, 2010)