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020 _a0395674042
040 _aSLIDA
_cSLIDA
_dSLIDA
041 _aeng.
082 _2UDC
_a659.3
_bDEF
245 _aUnderstanding mass communication:
_bA liberal arts perspective/
_cMelvin L. DeFleur, Everette E. Dennis.
_hEnglish.
250 _a5th Ed.
260 _aBoston:
_bHoughton Mifflin company,
_c1994.
300 _ax, 646p.:
_bill.;
_c24cm.
942 _2ddc
_cLEN