Asthana, D. K.
A textbook of environmental studies / D. K. Asthana and Meera Asthana. - New Delhi : S. Chand & Company Ltd., c2006 [reprinted 2007]. - xvii, 460 p. : ill. ; 24 cm.
Includes index.
8121927641
Environmental Science.
363.7
A textbook of environmental studies / D. K. Asthana and Meera Asthana. - New Delhi : S. Chand & Company Ltd., c2006 [reprinted 2007]. - xvii, 460 p. : ill. ; 24 cm.
Includes index.
8121927641
Environmental Science.
363.7