GUPTA (Preeti) NTA CSIR UGC NET/SET (JRF and lectureship) Chemical Sciences - New Delhi Arihant Publications Pvt Ltd. 2019 - vi1364 ISBN: 9789324196545 Subjects--Topical Terms: UGCNTANET/SETlecturership)CSIR(JRF Dewey Class. No.: 540.02 GUPN