textbook of environmental studies for undergraduate students : as per UGC syllabus
Asthana, D K, Meera Asthana
textbook of environmental studies for undergraduate students : as per UGC syllabus - 2e - New Delhi; S. Chand & Company, 2012. - xvi, 397 p., illus. include bibliographical ref. and index
9788121927642 - pbk
1. Environmental sciences.
2. Pollution.
textbook of environmental studies for undergraduate students : as per UGC syllabus - 2e - New Delhi; S. Chand & Company, 2012. - xvi, 397 p., illus. include bibliographical ref. and index
9788121927642 - pbk
1. Environmental sciences.
2. Pollution.