GUPTA JP A TEXT BOOK OF ENERGY ENVIRONMENT ETHICS AND SOCIETY - 1 - India DHANPAT RAI 2009 - 175.00 EE/2020/CRB/527 - P12844 . ESWAR ISBN: BK 0132027 Subjects--Topical Terms: Electrical and Electronics Engineering Dewey Class. No.: 531.6 GUP