TY  - GEN
AU  - 
AU  - LUNDBERG, George A.
TI  - Social Research: A Study of Methods of Gathering Data
U1  - 001.4211/LUN 
PY  - 1948///
CY  - NEW YORK
PB  - Longmans, Green & Co.
N1  - MEASUREMENT; SAMPLING & QUESTIONNAIRE; SOCIAL RESEARCH
ER  -