TY  - BOOK
AU  - Burgess, Robert G .Ed
TI  - Key variables in social investigation
SN  - 0710099010
U1  - 301.072 
PY  - 1986///
CY  - England 
PB  - RKP
KW  - Sociology - address essays lectures
KW  - Social sciences - research - address essays lectures
N1  - Includes index
ER  -