The First KKU-USAID international seminar : soil, water, and crop management sys
Pairintra, C
The First KKU-USAID international seminar : soil, water, and crop management sys - Khon Kaen, Thailand KKU Cooperative Research Project ; 1988 - x, 416 p. : ill., m
/ W892S
The First KKU-USAID international seminar : soil, water, and crop management sys - Khon Kaen, Thailand KKU Cooperative Research Project ; 1988 - x, 416 p. : ill., m
/ W892S