CHATWAL,GURDEEP R. (2018). INSTRUMENTAL METHODS OF CHEMICAL ANALYSIS (5TH REVISED AND ENLARGED EDN.). HIMALAYA PUBLISHING HOUSE.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCHATWAL,GURDEEP R. INSTRUMENTAL METHODS OF CHEMICAL ANALYSIS. 5TH REVISED AND ENLARGED EDN. GIRGAON: HIMALAYA PUBLISHING HOUSE, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCHATWAL,GURDEEP R. INSTRUMENTAL METHODS OF CHEMICAL ANALYSIS. 5TH REVISED AND ENLARGED EDN. HIMALAYA PUBLISHING HOUSE, 2018.
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