TY  - BOOK
AU  - Sapsford,Roger
AU  - Jupp,Victor
TI  - Data collection and analysis
SN  - 0761943633
AV  - HA29  .D37 2006
PY  - 2006///
CY  - London
PB  - Sage
KW  - Social sciences
KW  - Statistical methods
KW  - Research
ER  -