000			00373nam a2200145Ia 4500
008			220501s2017 xx 000 0 eng d
020			_a9788120353510
082			_a363.705 _bSUL
100			_aSulphey, M . M
245		0	_aIntroduction to environment management 4th ed.
260			_aNew Delhi _bPHI _c2017
300			_axxiv;408
700			_aSafeer, M . M
942			_2ddc _cBK
999			_c247 _d247