Duong, N. T. (1994). Productivity and profitability of cropping systems in deepwater and irrigated lowland rice ecosystems in the mekong delta of Vietnam. Cần Thơ: Trường Đại học Cần Thơ.
Παραπομπή Chicago StyleDuong, Ngoc Thanh. Productivity and Profitability of Cropping Systems in Deepwater and Irrigated Lowland Rice Ecosystems in the Mekong Delta of Vietnam. Cần Thơ: Trường Đại học Cần Thơ, 1994.
Παραπομπή MLADuong, Ngoc Thanh. Productivity and Profitability of Cropping Systems in Deepwater and Irrigated Lowland Rice Ecosystems in the Mekong Delta of Vietnam. Cần Thơ: Trường Đại học Cần Thơ, 1994.
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