000 00343nam a2200133Ia 4500
008 211201s2001 xx 000 0 eng d
082 _a577
100 _aRAMAKRISHNAN,P.S.
245 0 _aECOLOGY AND SUSTAINABLE , DEVELOPMENTS
260 _bNATIONAL BOOK TRUST
_aNEW DELHI
_c2001
300 _aXI,207
650 _aManagement
942 _2ddc
_cDOE
999 _c4414
_d4414