TY  - BOOK
AU  - Punch, Keith F.
TI  - Introduction to social research: Quantitative and qualitative approaches
SN  - 978071944171
AV  - H 62  .P86 2005
PY  - 2005///
CY  - Los Angeles
PB  - Sage publications
KW  - 1. Social sciences---Research
ER  -