Reddy, K. Purushotham . Environmental Education / by K. Purushotham Reddy and D. Narasimha Reddy. - New Delhi : Neelkamal Publications Pvt. Ltd , 2007 - 285p : ISBN: 81-8316-121-9 Subjects--Topical Terms: Education- Environmental Dewey Class. No.: T:(G:55) / P7