TY  - BOOK
AU  - Healey,Joseph F.
AU  - Prus Steven G.
TI  - Statistics: a tool for social research 
SN  - 9780176442538
AV  - HA29 .H42 2009
PY  - 2010///
CY  - Toronto
PB  - Nelson education
KW  - Social sciences
KW  - Statistical methods
KW  - Statistics
N1  - Includes bibliographical references and index
ER  -