00571 a2200229 4500 9788174733027 333.707 SIN 26277 45449 Sinha, Shradha A text book of environmental studies 1st Delhi A.I.T.B.S. Publishers 2005 2008 xxiii,327p. 22cm Land Natural resources Wilderness areas Man made resources Environment Shukla, Ranjana Shukla, Manisha L 53136 53136 0 0 0 0 LEN MKDL MKDL LEN 2010-12-30 0 333.707SIN 64735 2010-12-30 00:00:00 0.00 2016-10-31 L