Venogopal, P. (2004). State of the Indian farmer: Input management (27 Volumes +CD-ROM). Academic Foundation.
शिकागो स्टाइल उद्धरणVenogopal, Pingali. State of the Indian Farmer: Input Management (27 Volumes +CD-ROM). New Delhi: Academic Foundation, 2004.
एमएलए उद्धरणVenogopal, Pingali. State of the Indian Farmer: Input Management (27 Volumes +CD-ROM). Academic Foundation, 2004.
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