000 00258nam a2200121Ia 4500
020 _a8187317043
082 _a363.7 AAR/E
100 _aAaradhana P S
245 0 _aEnvironmental Management
260 _bRajat
_aNew Delhi
_c1998
300 _a413p
942 _cBK
999 _c3106
_d3106