Siriwardena, K.S.D.Gunaratne, L.H.P.2015-04-022015-04-022008Siriwardena, K.S.D. and Gunaratne, L.H.P., 2008. Analysis of trade-offs in public preferences for environmental health management: a discrete choice modeling exercise, In: Proceedings of the International Conference on Social Sciences, Sri Lanka, University of Kelaniya, pp 128.http://repository.kln.ac.lk/handle/123456789/6712enArticle