000 00454nam a2200145Ia 4500
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040 _aMAIN
041 _aEnglish
082 _a301.31
100 _aAhluwalia, V.K.
245 0 _aEnvironmental studies
_bEnvironmental studies._2nd Ed, New Delhi : the energy and resources institute, 2016
_cV.K. Ahluwalia
250 _a2nd
260 _c2016
_bthe energy and resources institute
_aNew Delhi
942 _cBK
999 _c55381
_d55381