Noyes Robert. (2008). Unit Operations in environmental engineering. JAICO PUBLISHING HOUSE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNoyes Robert. Unit Operations in Environmental Engineering. NEW DELHI: JAICO PUBLISHING HOUSE, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNoyes Robert. Unit Operations in Environmental Engineering. JAICO PUBLISHING HOUSE, 2008.
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