000 00296nam a22001217a 4500
008 101126t xxu||||| |||| 00| 0 eng d
020 _a0029253608
080 _a658
100 _aPorter, Michael E.
_91503
245 _aCompetitive Strategy
_cMichael E. Porter
300 _a396p.
942 _2ddc
_cBK
999 _c5207
_d5207