000 00449nam a2200193Ia 4500
008 220901s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a333.707
082 _bCHA
100 _aCHAWLA, SHASHI
245 2 _aA TEXTBOOK OF ENVIRONMENTAL STUDIES.
250 _b2013
260 _aCHENNAI
260 _bMCGRAW HILL EDUCATION
260 _c2013
300 _a9
650 _a  ENVIRONMENTAL STUDIES
942 _cTB
999 _c138522
_d138522