TY  - BOOK
AU  - OPPENHEIM, A.N.
TI  - Questionnaire design , interviewing and attitude measurement
SN  - 9780826451767
U1  - 001.42 22nd edition
PY  - 1966///
CY  - London
PB  - Continuum
KW  - Research
N1  - Includes index
ER  -