Citation:Jayasuriya, O.A.T.S., Nayanika, S.A.D., Rajapakshe, A.G.D.H.M., Gayathri, R. and Wijeyaratne, W.M.D.N., 2015. Water usage survey and promotion of sustainable utilization of water resources in a commercial building complex at Yakkala, p. 5-6, In Proceedings of the Second Undergraduate Research Symposium on Environmental Conservation and Management, V.P.A. Weerasinghe, W.M.D.N. Wijeyaratne, M.D. Yatawara and W.A.R. Bandara (eds), Department of Zoology and Environmental Management, University of Kelaniya, Sri Lanka, 45 p.
