00952nam0-22003251i-450-99000379592040332120040317140922.00-8039-3502-1000379592FED01000379592(Aleph)000379592FED0100037959220030910d--------km-y0itay50------baitay-------001yyMedia EconomicsConcepts and IssuesRobert G. PicardNewbury ParkSAGE©1989136 p.fig., tab.21 cm<<The >>Sage commtext seriesedited by Everette E. Dennis22Mezzi di comunicazione di massaAspetti economici302.23338.4730223Picard,Robert G.81255ITUNINARICAUNIMARCBK990003795920403321302.23 PIC 13284BFSBFSMedia Economics506470UNINA