Jayathilake, T.M.G.M.Kumar, S.2015-04-012015-04-012008Jayathilake, T.M.G.M. and Kumar, S., 2008. Participation in extra-curricular activities as a predictor of task and contextual performance, In: Proceedings of the International Conference on Social Sciences, Sri Lanka, University of Kelaniya, pp 100.http://repository.kln.ac.lk/handle/123456789/6678enArticle