TY  - BOOK
AU  - Healey,Joseph F.
TI  - Statistics: a tool for social research 
SN  - 053412450X :
U1  - 519.90243 
PY  - 1990///
CY  - Belmont
PB  - Wadsworth Pub.
KW  - Social sciences
KW  - Statistical methods
KW  - Statistics
N1  - In
ER  -