CIGR Handbook of Agricultural Engineering Volume III Plant Production Engineering.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCIGR Handbook of Agricultural Engineering Volume III Plant Production Engineering.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCIGR Handbook of Agricultural Engineering Volume III Plant Production Engineering.
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