TY  - BOOK
AU  - Neuman,William Lawrence
TI  - Social research methods: qualitative and quantitative approaches 
SN  - 0205353118
PY  - 2003///
CY  - Boston
PB  - Allyn and Bacon
KW  - Sociology
KW  - Research
KW  - Methodology
KW  - Social sciences
N1  - Includes index and bibliographical : p. 548-576
ER  -