TY  - BOOK
AU  - Ferguson Sherry Devereaux
TI  - Researching the public opinion environment :  theories and methods
T2  - Sage series in public relations
SN  - 0761915311 (pbk)
U1  - D65,8(B44),1, P0 
PY  - 2000///
CY  - London
PB  - Sage Publications      
KW  - ENGINEERING
ER  -