Não informado. (1976). Journal of seed technology. Association of Official Seed Analysts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Seed Technology. Lincoln, Neb: Association of Official Seed Analysts, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Seed Technology. Association of Official Seed Analysts, 1976.
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