TY  - BOOK
AU  - Healey,Joseph
TI  - Statistics: a tool for social research 
SN  - 0534552609
AV  - HA29  .H42 1999
PY  - 1999///
CY  - Belmont, CA
PB  - Wadsworth
KW  - Social sciences
KW  - Statistical methods
KW  - Statistics
ER  -