Proceedings of the Association of Official Seed Analysts of North America. Association of Official Seed Analysts.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रProceedings of the Association of Official Seed Analysts of North America. Association of Official Seed Analysts.
एमएलए (9वां संस्करण) प्रशस्ति पत्रProceedings of the Association of Official Seed Analysts of North America. Association of Official Seed Analysts.
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