TY  - BOOK
AU  - Corbetta,Piergiorgio
TI  - Social research: theory, methods and techniques 
SN  - 0761972528
PY  - 2003///
CY  - London
PB  - SAGE Publications
KW  - Social sciences
KW  - Research
KW  - Methodology
KW  - Qualitative research
N1  - References : p. [309]-317
ER  -