TY  - GEN
AU  - Bradburn, Norman M.
AU  - Sudman, Seymour
AU  - Wansick, Brian
TI  - Asking questions : the definitive guide to questionnaire design - for market research, political polls, and social and health questionnaires
SN  - 9780787970888
AV  - H 62
PY  - 2004///
PB  - Jossey-Bass
KW  - Social sciences - Research
KW  - Questionnaires
N1  - 25772
ER  -