Prain, G., Fano, H., & Fonseca, C. (1994). Involving farmers in crop variety evaluation and selection. UPWARD.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPrain, Gordon, Hugo Fano, और Cristina Fonseca. Involving Farmers in Crop Variety Evaluation and Selection. Los Banos, Laguna: UPWARD, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPrain, Gordon, et al. Involving Farmers in Crop Variety Evaluation and Selection. UPWARD, 1994.
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