1. Silva, E. I. L., & Manuweera, L. (2004). Surface and rainwater chemistry in Sri Lanka. A risk of acidification. Asian Journal of Water, Environment and Pollution, 13(3), 79–89.
2. Panabokke, C. R., Sakthivadivel, R., & Asoka Dias Weerasinghe (2002). Small tanks in Sri Lanka: Evolution, present status, and issues. Colombo: International Water Management Institute.
3. Perera, M. P. (2017). Evolution of tank cascade studies in Sri Lanka; Soudi Journal of Humanities and Social Sciences, 2(7), 597–610.
4. Geekiyanage, N., & Pushpakumara, D. K. N. G. (2013). Ecology of ancient tank cascade systems in island Sri Lanka. Journal of Marine and Island Cultures, 2(2), 93–101.
5. Bandara, M. (1985). Catchment ecosystems and village tank cascades in the dry zone of Sri Lanka a time-tested system of land and water resource management; Strategies for river basin management; 99–113.