TY  - BOOK
AU  - Merton,Robert K.
AU  - Kendall,Patricia L.
AU  - Fiske,Marjorie
TI  - The focused interview : a manual of problems and procedures / 
U1  - 658.3 MER  
PY  - 1956///.
CY  - Illinois : 
PB  - The Free Press, 
KW  - Interviewing
KW  - Marketing research
KW  - Focus groups
ER  -