000 00388 a2200145 4500
020 _a0743260880
082 _a658
_bPOR
090 _c5982
_d8112
100 _aPorter, Michael E.
245 _aCompetitive strategy
_btechniques for analyzing industries and competitors
260 _aNew York
_bFree Press
_c1980
_g1980
300 _axxx, 396p.
_c24cm.
650 _aMANAGEMENT
942 _cSR
999 _c34784
_d34784