Alikhan, Sakeena(Water Resources Research in Sri Lanka: Symposium proceedings of the Water Professionals's Day, organized by Cap-Net Lanka, Postgraduate Institute of Agriculture and Geo-informatics Society of Sri Lanka (GISSL), 2013)
Priyadarshani, S; Madushani, W A N; Wickremasinghe, DD; Udagama, P V(First Young Water Professionals Symposium, Sri Lanka Jalani& International Water Management Institute, Colombo., 2013)
Dulshara, S A D; Wickramaarchchi, T; Escalante, A; Udagama, PV(American Society of Tropical Medicine&Hygience, 62 nd Annual Meeting, Washington DC, USA. Pp108., 2013)