TY  - BOOK
TI  - Data collection and analysis 
SN  - 9780761943631
PY  - 1996///
CY  - London
PB  - Sage in association with Open University
UR  - http://www.loc.gov/catdir/enhancements/fy0656/96069873-d.html | http://www.loc.gov/catdir/enhancements/fy0656/96069873-t.html
ER  -