Professor Manuj Weerasinghe
Restoration and preservation of ancient cascade tank system in Palugaswewa, Agrarian Development Department, Ministry of Agrarian Services and Wild Life, Colombo
Piyadasa RUK, L Weerakoon, R Somadewa, M Weerasinghe, M P Vipulasena (2012). Restoration and preservation of ancient cascade tank system in Palugaswewa, Agrarian Development Department, Ministry of Agrarian Services and Wild Life, Colombo
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