TY  - BOOK
AU  - Bittner John R
TI  - Mass communication :  An introduction   Theory and p  
U1  - Y:393, L7 
PY  - 1977///
CY  - Englewood
PB  - Cliffs Prentice-Hall New Jersey       
KW  - Social Communication
N1  - Bibliography chapterwise; Glossary P 494-503
ER  -