TY  - BOOK
AU  - Lundberg, George A.
TI  - Social research:a study in methods of gathering data
U1  - B1084 L972 
PY  - 1942///
CY  - New York
PB  - Longmans, Green
KW  - Social surveys.Social sciences -Methodology
BR  - 12445
BR  - 2398
ER  -