Chitkara, M.G. Environmental Pollution Control. M.G. Chitkara. - ed - New Delhi. APH Pub. 2012 - xi, 233pg. Includes index(P231-33) and bibliography(P228-30). ISBN: 978 81 313 1458 6 Subjects--Topical Terms: Environmental Pollution. Environment. Dewey Class. No.: 628.5/C543e