TY  - BOOK
AU  - BLACK, R. Thomas
TI  - Doing quantitative research in social sciences: An integrated approach to research design, mearsurement and statistics
SN  - 9780761953531
AV  - H 61.B4765 BLA 1
PY  - 1999///c
CY  - London
PB  - Sage
N1  - Appendix ,Tables index
ER  -