TY  - BOOK
AU  - Bulmer,Martin
TI  - Questionnaires
T2  - Sage benchmarks in social research methods
SN  - 0761971483
U1  - 001.433 
PY  - 2004///
CY  - London, Thousand Oaks
PB  - Sage
KW  - Encuestas sociales
KW  - Metodología
KW  - Entrevistas
N1  - Incluye bibliografía; v. 1. Orientation -- v. 2. Question construction -- v. 3. Methodological issues -- v. 4. Surveys in the world
ER  -