TY  - BOOK
AU  - Healey,Joseph F.
TI  - Statistics: a tool for social research 
SN  - 9781111186364
PY  - 2012///
CY  - Belmont, CA
PB  - Cengage Learning/Wadsworth
KW  - Social sciences
KW  - Statistical methods
KW  - Statistics
N1  - Includes index
ER  -