Seasonal report
Yatawara, Tissa
Seasonal report 1984/85 maha season - Colombo Agrarian Research and Training Institute 1986 - viii,39p. 29cm - Gal Oya water management research project .
Economics of land and energy
Water for irrigation
Other natural resources
333.91317 / YAT
Seasonal report 1984/85 maha season - Colombo Agrarian Research and Training Institute 1986 - viii,39p. 29cm - Gal Oya water management research project .
Economics of land and energy
Water for irrigation
Other natural resources
333.91317 / YAT