00709nam0-22002531i-450-990002653910403321000265391FED01000265391(Aleph)000265391FED0100026539120000920d1968----km-y0itay50------baENGComparative marketing systemsby Sommerg and KernanNew YorkAppleton Century Crofts196 8Sommerg,Montrose S.370045Kernan,Jerome B.ITUNINARICAUNIMARCBK9900026539104033214-0-115-TI2506ECAECAComparative marketing systems430491UNINAING01