by Nupearachchi, CN, Perera, VPS
Published in Journal of the National Science Foundation (10.03.2014)

by Liyanagedara, T. D. B., Nupearachchi, C. N., Thotawatthage, C. A.
Published in Ceylon journal of science (01.09.2023)

by Nupearachchi, C.N., Mahatantila, Kushani, Vithanage, M.
Published in Groundwater for sustainable development (01.09.2017)