00000nam a2200000 a 4500 20251203110548.0 8176295809 577 MUR Murthy, D.B.N. Environmental Awareness and Protection a Basic Book on Environmental Studies New Delhi Deep & Deep Publications 2004 xxii,241p. 24 cm HB Environmental Awareness Environmental Protection _ 112131 LIBSC C 94486 94486 0 0 0 0 PU PU 2005-04-19 400.00 0 577 MUR 112131 BK