Mass media research :
Wimmer, Roger D.
Mass media research : an introduction / Roger D. Wimmer. - 8th ed. - 468 p ; 23 cm.
Includes appendix, glossary and index.
0534647189
Mass media--Research.
Mass media.
Mass media research : an introduction / Roger D. Wimmer. - 8th ed. - 468 p ; 23 cm.
Includes appendix, glossary and index.
0534647189
Mass media--Research.
Mass media.