TY  - BOOK
AU  - GREENBAUM,THOMAS L.
TI  - The Hond book for Focus Group Resesch. / 
U1  - 658.83 
PY  - 1993///
CY  - [S.N] : 
PB  - LEXINGTON BOOKS ، 
KW  - FOCUSED GROUP INTRVIEMING
KW  - MARKETING - RESEARCH
ER  -