Hedström, I., Denzel, A., & Owens, G. (2006). Orchid bees as bio-indicators for organic coffee farms in Costa Rica: Does farm size affect their abundance?
शिकागो स्टाइल उद्धरणHedström, Ingemar, Andrew Denzel, और Gareth Owens. Orchid Bees As Bio-indicators for Organic Coffee Farms in Costa Rica: Does Farm Size Affect Their Abundance? 2006.
एमएलए उद्धरणHedström, Ingemar, Andrew Denzel, और Gareth Owens. Orchid Bees As Bio-indicators for Organic Coffee Farms in Costa Rica: Does Farm Size Affect Their Abundance? 2006.
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