000 00381 a2200145 4500
020 _a0743260872
082 _a658
_bPOR
090 _c5984
_d8118
100 _aPorter, Michael E.
245 _aCompetitive advantage
_bcreating and sustainig superior performance
260 _aNew York
_bFree Press
_c2004
_g2004
300 _axxvi, 557p.
_c24cm
650 _aMANAGEMENT
942 _cSR
999 _c34786
_d34786