TY  - BOOK
AU  - Sapsford, Roger
AU  - Jupp, Victor
TI  - Data collection and analysis 
SN  - 0-7619-4363-3
U1  - 001.433 
PY  - 2006///
CY  - New Delhi
PB  - Sage
KW  - Computer science
KW  - Data analysis
N1  - Includes index
ER  -