000 00671nam a22002417a 4500
999 _c21996
_d21996
003 OSt
008 200212b ||||| |||| 00| 0 eng d
020 _a9789350567319
082 _a363.7
_bC32C
100 _aChauhan, Avinash.
245 _aClean Technologies and Environmental Protection
250 _a1st ed.
260 _aNew Delhi
_bDiscovery Publishing House
_c2015
300 _a221p.
440 _aEnv Books Series
650 _aSocial Sciences
650 _aSocial Problems and Services
650 _aEnvironmental Protection
650 _aEnvironmental Science
700 _aSharma, Shilendra.
700 _aBharti, Pawan Kumar.
942 _2ddc
_cBK