TY  - BOOK
AU  - Punch,Keith
TI  - Introduction to social research: quantitative & qualitative approaches 
SN  - 9781446240922 (hbk.)
PY  - 2014///
CY  - London
PB  - SAGE
KW  - Social sciences
KW  - Research
N1  - Previous edition: 2005; References : page [359]-375
ER  -