000 00352nam a2200145Ia 4500
008 211209s2018 xx 000 0 und d
020 _a978935260517
041 _aeng
082 _a574.5 JOS
100 _aJOSEPH
245 _aENVIRONMENTAL STUDIES
250 _a3RD ed.
260 _aCHENNAI
_bMCGRAW HILL EDUCATION
_c2018
300 _aXV,244 xv,244
999 _c80282
_d80282