Gupta Preeti, UGC CSIR NET/SET (JRF & LS)Chemical sciences by Preeti Gupta, Aditya Tomar and Naveen Sharma - New Delhi: Arihant Publications(INDIA)LIMITED, 2017 - 1434P, 47P. ISBN: 978-93-5094-087-7 Dewey Class. No.: E / [Q7]