TY  - BOOK
TI  - _Research methods in social relations .-4th ed Louse H.Kidder 
SN  - 30435668
AV  - H62 .K473 1981  
CY  - New York Holt, Rinehart and Winston 1981 
KW  - _Research methods
N1  - Includes index.; Includes index.
ER  -