Environment and harmonious developments national conference in chemistry - Delhi Department of Chemistry Shyam Lal College India 2016 - 221p. cm. ISBN: 9789385824012 (pbk) Indian Rupees 0 Standard No.: 28432 Source: Gift, 02/09/2016, Textual Subjects--Topical Terms: ENVIRONMENTAL SCIENCE Dewey Class. No.: G:55, Q6