000 00291nam a2200121Ia 4500
008 220201s2017 xx 000 0 eng d
100 _aCHAWLA SHASHI
245 0 _aTEXT BOOK OF ENVIRONMENTAL STUDIES
250 _a9
260 _aNEW YORK
_bMCGRAW HILL
_c2017
300 _a425
942 _2ddc
999 _c93755
_d93755