005430000a22002170004500500002700000650001800027650002300045650002900068650001500097650001900112082002200131518001300153530000600166100001900172245004700191250001300238260003700251260000900288041000800297300002000305 aBibliography:p.385-407 aCommunication aMass communication aCommunication psychology aMass media aSocial systems a302.23bM242mcAS a20000110 aM aMcquail, Denis aMass communication theory; an introduction a3rd edn. aLondonbSAGE Pub., Great Britain c1994 aEng axv,416p.billus