000 00429nam a2200181Ia 4500
005 20250220125228.0
008 250220s9999||||xx |||||||||||||| ||und||
020 _a0029250900
040 _aMAIN
041 _aEnglish
082 _a658
_bPOR
100 _aPorter, Michael E.
245 _aCompetitive advantage
260 _aLondon
_bCollier macmillan
_c1985
300 _axviii,557p.
650 _aManagement
942 _cBK
999 _c24933
_d24933