TY  - BOOK
AU  - Punch,Keith
TI  - Introduction to social research: quantitative & qualitative approaches 
SN  - 9781446240939 
AV  - H62 .P86 2014
PY  - 2014///
CY  - Los Angeles 
PB  - Sage
KW  - Social sciences
KW  - Research
N1  - Includes bibliographical references
ER  -