000 00368nam a2200133Ia 4500
008 220201s2017 xx 000 0 eng d
082 _a155
_bCHA
100 _aChawla (J)
245 2 _aA TEXTBOOK OF ENVIReference ONMENTAL STUDIES/-
250 _a9TH Reference EP.
260 _bMc graw hill Inc International Student Edition .
_c2017
300 _a8.8
942 _2ddc
999 _c10792
_d10792