TY  - BOOK
AU  - Oppenheim,A.N.
TI  - Questionnaire Design, Interviewing and Attitude Measurement
U1  - 153.94 
PY  - 1966///
CY  - New York
PB  - Basic Books Inc. Publishers
KW  -  Questionnaires; Social surveys -- Methodology
N1  - Includes Index
ER  -