Crop Improvement. Vol 1 Physiological attributes - U.S. Gupta (New Delhi Oxford & IBH Publishing Co.Pvt.Ltd., 1992)
U.S. Gupta: Crop Improvement. Vol 1 Physiological attributes. New Delhi. Oxford & IBH Publishing Co.Pvt.Ltd., 1992. 81-204-0596-X--(581.1GUP)
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