Duong, N. T. (1994). Productivity and profitability of cropping systems in deepwater and irrigated lowland rice ecosystems in the Mekong Delta of Vietnam: Master of science ( Agricultural economic). Philippines: Submitted of the Faculty of the Graduate school University of Philippines Los Banos,....
Παραπομπή Chicago StyleDuong, Ngoc Thanh. Productivity and Profitability of Cropping Systems in Deepwater and Irrigated Lowland Rice Ecosystems in the Mekong Delta of Vietnam: Master of Science ( Agricultural Economic). Philippines: Submitted of the Faculty of the Graduate school University of Philippines Los Banos,..., 1994.
Παραπομπή MLADuong, Ngoc Thanh. Productivity and Profitability of Cropping Systems in Deepwater and Irrigated Lowland Rice Ecosystems in the Mekong Delta of Vietnam: Master of Science ( Agricultural Economic). Philippines: Submitted of the Faculty of the Graduate school University of Philippines Los Banos,..., 1994.