000 00286nam a22000977a 4500
008 170915b xxu||||| |||| 00| 0 eng d
020 _a0-495-90290-x
245 _aMass communication theory
_bfunctions, ferment, and future
260 _aBrazil
_bWadsworth
_c2012
942 _2lcc
_kP
_m90.B37 2012
999 _c5575
_d5575