TY  - BOOK
AU  - Corbetta, Piergiorgio,
TI  - Social research 
SN  - 0761972528;0761972536 (pbk)
U1  - RES 300.72 COR 
PY  - 2003///
CY  - London ;;Thousand Oaks, Calif. 
PB  - SAGE Publications
KW  - Social sciences;Social sciences
ER  -