00347nam a22001577a 4500 OSt 9781422157985 658.4012 POR/NO Porter, Michael E On strategy 1 Boston Harvard business review press 2011 266p. Strategy ddc BK 190283 190283 0 0 ddc 0 0 NFIC KAUCBV KAUCBV CHILD 2017-11-17 695.00 0 658.4012 POR/NO 2017-11-17 00:00:00 2017-11-17 BK