Roy, B. _ Gagan, M NTA CSIR-UGC NET for JRFLecturership Chemical Sciences - New Delhi Danika 2023 - 888 p. 22 cm. PB ISBN: 9788189301033 Subjects--Personal Names: _ Subjects--Uniform Titles: Chemical SciencesCSIR exam Dewey Class. No.: 540.76 / ROY