Optimum use of water resources
Ridder, N.A., Eraz, A.
Optimum use of water resources - Wageningen 1977 - 1-250 p. - Water Netherlands International Rice Research Institute. Technical Bulletin No. 21 .
Optimum use of water resources - Wageningen 1977 - 1-250 p. - Water Netherlands International Rice Research Institute. Technical Bulletin No. 21 .