TY  - BOOK
AU  - Punch,Keith
TI  - Introduction to social research: quantitative & qualitative approaches 
SN  - 1446296164
AV  - H62 .P93 
PY  - 2014///
CY  - Los Angeles
PB  - SAGE
KW  - Social sciences
KW  - Research
KW  - Social surveys
KW  - Methodology
KW  - Sciences sociales
KW  - Recherche
UR  - http://www.vlebooks.com/vleweb/product/openreader?id=none&isbn=9781446296165
UR  - https://www.vlebooks.com/vleweb/product/openreader?id=none&isbn=9781446293379
ER  -