Widanapathirana, A.S.
Gal Oya water management project mid term impact assessment - Colombo Agrarian Research and Training Institute 1985 - 121p. 30 cm - Research study 63 .
Sri Lanka
Irrigation
ARTI
Agriculture
SL 631.67 / WID
Gal Oya water management project mid term impact assessment - Colombo Agrarian Research and Training Institute 1985 - 121p. 30 cm - Research study 63 .
Sri Lanka
Irrigation
ARTI
Agriculture
SL 631.67 / WID