Robert L Zimdahl. (1989). Seeds and seedlings of weeds in rice in South and Southeast Asia. Philippines: IRRI.
शिकागो स्टाइल उद्धरणRobert L Zimdahl. Seeds and Seedlings of Weeds in Rice in South and Southeast Asia. Philippines: IRRI, 1989.
एमएलए उद्धरणRobert L Zimdahl. Seeds and Seedlings of Weeds in Rice in South and Southeast Asia. Philippines: IRRI, 1989.
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