| 000 | 00369nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 180712s9999 xx 000 0 und d | ||
| 020 | _a684841460 | ||
| 082 |
_a658 _bPOR |
||
| 100 | _aPORTER, Michael E. | ||
| 245 | _acompetitive advantage: creating and sustaining superior performance | ||
| 260 |
_aNew York _bThe Free press _c1985 |
||
| 650 | _aCompetition | ||
| 942 | _cS | ||
| 999 |
_c9181 _d9181 |
||