00759nam0-22002411i-450-990002689720403321000268972FED01000268972(Aleph)000268972FED0100026897220000920d1980----km-y0itay50------baENGCompetitive strategy - becluignes for analyzing industries and competitas.by Micla e l E. PorterNew YorkFree Press1980Porter,Michael E.<1947- >5334ITUNINARICAUNIMARCBK9900026897204033219-2-29/bis-RA7048ECAECACompetitive strategy - becluignes for analyzing industries and competitas429248UNINAING01