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			_c80323 _d80323