Multiple benefits of small irrigation tanks and their economic value
Perera, H.D.B.S.
Multiple benefits of small irrigation tanks and their economic value a case study in the kala oya basin, Sri Lanka - Colombo IUCN 2005 - 34p. 29cm.
9558177377
WATER FOR IRRIGATION
333.913 / PER
Multiple benefits of small irrigation tanks and their economic value a case study in the kala oya basin, Sri Lanka - Colombo IUCN 2005 - 34p. 29cm.
9558177377
WATER FOR IRRIGATION
333.913 / PER
