000 00424nam a2200145Ia 4500
008 241210s9999 xx 000 0 und d
040 _aJamia Hamdard
041 _aEnglish
082 _a658
_bP69C
100 _aPorter, Michael E
245 0 _aCompetitive advantage
_bcreating and sustaining superior performance
_cMichael E. Porter.
260 _aNew York
_bFree Press
_c1985
300 _axviii, 557p., 24cm.
942 _cBK
999 _c39408
_d39408