Verzola, E. A. (1982). Pests and diseases of potatoes in field and storage.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVerzola, Elizabeth A. Pests and Diseases of Potatoes in Field and Storage. 1982.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVerzola, Elizabeth A. Pests and Diseases of Potatoes in Field and Storage. 1982.
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