00426nam a2200181Ia 4500003000400000005001700004008004100021020001500062040000700077041000800084082001600092100002100108245004000129250000600169260003900175300001700214365001300231OSt20230329153214.0210423s2007 xx 000 0 und d a8178295350 cAL aeng a302.23 MCQD aMCQUAIL (Denis). aMcquails mass communication theory. a5 aNew DelhibW H Freeman & Co.c2007 aviii,616bPB b595cINR