Environmental aspects of Sri Lanka's ancient irrigation system
Weeramantry, C.G.
Environmental aspects of Sri Lanka's ancient irrigation system - Vishva Lekha Ratmalana 2000 - 35 - Sustainable Development
955-599-222-3
6208
631.67:577.4(548.7)WEE
Agriculture
631.67:577.4(548.7) 1
Environmental aspects of Sri Lanka's ancient irrigation system - Vishva Lekha Ratmalana 2000 - 35 - Sustainable Development
955-599-222-3
6208
631.67:577.4(548.7)WEE
Agriculture
631.67:577.4(548.7) 1