TY  - GEN
AU  - Oppenheim, A.N.
TI  - Questionnaire design, interviewing and attitude measurement
SN  - 0826451764
PY  - 1992///
CY  - London
PB  - Continuum
KW  - SURVEY METHODS
KW  - RESEARCH DESIGN
KW  - DATA ANALYSIS
N1  - Index included
ER  -