Não informado. (2020). Research Progress Report. Purdue University, Agricultural Experiment Station.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Research Progress Report. Lafayette, Ind: Purdue University, Agricultural Experiment Station, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Research Progress Report. Purdue University, Agricultural Experiment Station, 2020.
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