Não informado. (2004). Agricultural Electronics. American Society of Agricultural Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Agricultural Electronics. St. Joseph, Mich: American Society of Agricultural Engineers, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Agricultural Electronics. American Society of Agricultural Engineers, 2004.
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