TY  - BOOK
AU  - Rechard A.Krueger 
AU  - Rechard A.Krueger 
TI  - Focus Groceps :A Practical Guide of Applied Research 
PY  - 1994///
CY  - Soga Publ
PB  - Thausand Oaks Calif 
KW  - Reference
KW  - Social Service
ER  -