TY  - BOOK
AU  - Berger, Arthur Asa
TI  - Media and communication reserch methods: an introduction to qualitative and quantitative approaches 
SN  - 0761918531
AV  - P 91.3 B496m 2000 
PY  - 2000///
CY  - London
PB  - Sage Publications, Inc.
ER  -