000			00356nam a2200145Ia 4500
008			200324s9999 xx 000 0 und d
082			_a574.5-JOS-E
100			_aJoseph,Benny
245		0	_aEnvironmental Studies
250			_a3e ed.
260			_aNewDelhi : _bMc Graw hill, _c2018
300			_a244p.
650			_aEnvironmental Studies
942			_cBK
999			_c609783 _d609783