000 00347nam a22001577a 4500
003 OSt
020 _a9781422157985
082 _a658.4012
_bPOR/NO
100 _aPorter, Michael E
245 _aOn strategy
250 _a1
260 _aBoston
_bHarvard business review press
_c2011
300 _a266p.
650 _aStrategy
942 _2ddc
_cBK
999 _c190283
_d190283