TY  - BOOK
AU  - Punch, Keith F
TI  - Introduction to social research: quantitative and qualitative approaches. (3rd edition.)
SN  - 9781446240939
AV  - H 62 Pun 
PY  - 2014///
CY  - London
PB  - SAGE Publications
KW  - RESEARCH COLLABORATION
KW  - SOCIAL SCIENCES--RESEARCH--METHODOLOGY
ER  -