DE ANIL KUMAR. (2006). ENVIRONMENTAL CHEMISTRY (6TH ED.). NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. 6TH ED. NEW DELHI: NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDE ANIL KUMAR. ENVIRONMENTAL CHEMISTRY. 6TH ED. NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS, 2006.
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