Aruna Shantha, A.2015-04-022015-04-022008Aruna Shantha, A., 2008. An economic assessment of on-site effects of soil erosion in potato lands in Nuwaraeliya district, In: Proceedings of the International Conference on Social Sciences, Sri Lanka, University of Kelaniya, pp 126.http://repository.kln.ac.lk/handle/123456789/6710enArticle