TY  - BOOK
AU  - Neuman,William Lawrence
TI  - Social research methods: qualitative and quantitative approaches 
SN  - 0205128165
AV  - HM48 .N48 1991
U1  - 301/.072 20
PY  - 1991///
CY  - Boston
PB  - Allyn and Bacon
KW  - Sociology
KW  - Research
KW  - Methodology
N1  - Includes bibliographical references (p. 502-533) and indexes
ER  -