000 00560nam a22001937a 4500
999 _c83855
_d83855
005 20240501145449.0
008 240501b ||||| |||| 00| 0 eng d
020 _a0743260872
082 _a658 P844C
100 _aPorter, Michael
_973435
245 _aCompetitive Advantage: Creating and Sustaining Superior Performance
260 _aNew York
_bFree Press
_c1998
300 _ap.557
650 _aDifferentiation
_972075
650 _aTechnology Strategy
_973436
650 _aSubstitution
_973437
650 _aHorizontal Strategy
_973438
942 _cDBK