TY  - GEN
AU  - Engel, Uwe
TI  - Improving survey methods : lessons from recent research
SN  - 9780415817622
AV  - HA 31.2
PY  - 2015///
PB  - Routledge
KW  - Social surveys - Methodology
KW  - Social surveys - Research
KW  - Research - Methodology
N1  - 25287
ER  -