00644nam0-22002411i-450-990002589990403321000258999FED01000258999(Aleph)000258999FED0100025899920000920d1972----km-y0itay50------baENGComputer in businessAn introductionSANDERSNew YorkMcGraw-Hill1972Sanders,Donald H.250025ITUNINARICAUNIMARCBK99000258999040332127-1-22-RAn.i.ECAECAComputer in business435173UNINAING01