00793nam0-22002891i-450-99000376050040332120001010000376050FED01000376050(Aleph)000376050FED0100037605020001010d--------km-y0itay50------baitay-------001yyUsing mass communication theoryM. McCombs , B. Becker Lee.Englewood CliffsPrentice Hall1979148 p.23 cmMcCombs,Maxwell E.142779Becker,Lee B.ITUNINARICAUNIMARCBK99000376050040332113/760 MEC3215BFSBFSUsing mass communication theory510322UNINAING01