Rojas, L. A., & Chaves, G. (2006). Effect of minimun and conventional tillage in bean (Phaseolus vulgaris L.) in the Northern Huetar Region in Costa Rica.
शिकागो स्टाइल उद्धरणRojas, Luis Antonio, और Gerardo Chaves. Effect of Minimun and Conventional Tillage in Bean (Phaseolus Vulgaris L.) in the Northern Huetar Region in Costa Rica. 2006.
एमएलए उद्धरणRojas, Luis Antonio, और Gerardo Chaves. Effect of Minimun and Conventional Tillage in Bean (Phaseolus Vulgaris L.) in the Northern Huetar Region in Costa Rica. 2006.
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