TY  - BOOK
AU  - Neuman,William Lawrence
TI  - Basics of social research: qualitative and quantitative approaches 
SN  - 0205498841
PY  - 2007///]
CY  - Boston
PB  - Pearson
KW  - Sociology
KW  - Research
KW  - Methodology
KW  - Social sciences
N1  - Bibliography : page 377-389
ER  -