000 00230nam a2200097Ia 4500
008 220310s9999||||xx |||||||||||||| ||und||
100 _aPORTER, MICHAEL E
_93993
245 0 _aCOMPETITIVE ADVANTAGE
650 _aMANAGEMENT
942 _cBK
999 _c5559
_d5559