00000cam a22000004i 4500 UP-1685594773861482029 Buklod 20071019091938.0 j|||||||||||||| | ta 160418s2006 xx r |000 0|eng d 8176489972 (iLib)UPBAG-00000636916 DLC BAG rda eng GE 105 M37 2006 Markandey, Dilip Kumar author. Our environment Dilip Kumar Markandey, Neelima Rajvaidya Markandey. New Delhi, India APH Publishing 2006. 2 volumes 25 cm Includes bibliographical references (pages [511]-534). Environmental education. Environmental sciences Study and teaching. Human ecology. Markandey, Neelima Rajvaida author. FO UPBAG UPBAG-MAIN GE 105 M37 2006 Book