John S Caldwell. (1986). Assessing rainy season vegetable production alternatives: A case study in "upstream" farming systems research. Taiwan: AVRDC.
शिकागो स्टाइल उद्धरणJohn S Caldwell. Assessing Rainy Season Vegetable Production Alternatives: A Case Study in "upstream" Farming Systems Research. Taiwan: AVRDC, 1986.
एमएलए उद्धरणJohn S Caldwell. Assessing Rainy Season Vegetable Production Alternatives: A Case Study in "upstream" Farming Systems Research. Taiwan: AVRDC, 1986.
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