TY  - GEN
AU  - Cook, Stuart W
AU  - Jahoda, Marie
AU  - Mortondeutsch
AU  - Selltiz, Claire
TI  - Research methods in social relations
U1  - 001.422 SEL 
CY  - Newyork, Holt Rinehart and Winston Inc
KW  - Research methods social sciences/ research design
ER  -