Kumar, Ajay CSIR-JRF-NET Life sciences,Chemical Sciences,Earth Sciences: general Aptitude theory and practice/ by Ajay Kumar and Anand Kumar - New Delhi: Pathfinder Publication, 2016 - 360 p. ill., charts: 25 cm. State Grant 2016-2017 ISBN: 9789380473055 Subjects--Topical Terms: APTITUDE - GUIDE BOOK Dewey Class. No.: 371.26076 / KUM/G