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.
शिकागो स्टाइल उद्धरणDuong, 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.
एमएलए उद्धरणDuong, 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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