Arunee Weingsang. 1996. Economic viability of alternative rice production system in the rainfed lowland of Northeast Thailand. Graduate School, Chiang Mai University;
Arunee Weingsang. (1996) Economic viability of alternative rice production system in the rainfed lowland of Northeast Thailand . Chiang Mai University/Chiang Mai.
Arunee Weingsang. Economic viability of alternative rice production system in the rainfed lowland of Northeast Thailand. . Chiang Mai:Chiang Mai University, 1996.
Arunee Weingsang. (1996) Economic viability of alternative rice production system in the rainfed lowland of Northeast Thailand . Chiang Mai University/Chiang Mai.