TY  - BOOK
AU  - Punch,Keith F.
TI  - Introduction to social research: quantitative and qualitative approaches 
SN  - 9780761944171 (pbk)
PY  - 2005///
CY  - Los Angeles
PB  - Sage
KW  - Social sciences
KW  - research
N1  - Includes bibliographies
ER  -