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Irrigation management in Sri Lanka , problems and prospects

By Wijayaratna, C.M.. Colombo Institute of Policy Studies 1996 . 7p.

By Wijayaratna, C.M.. Colombo International Irrigation Management Institute 1996 . xiii, 155p. 22 cm. 9290901756

By Kikuchi, M.. Colombo Irrigation Management Policy Support Activity 1991 . 30p. 30 cm.

By Sakthivadivel, R.. Colombo International Irrigation Management Institute 1996 . xi, 54p. 26 cm. 9290903244