TY  - BOOK
AU  - Arney, William Ray 
TI  - Understanding statistics in the social science 
SN  - 71672006X
AV  - HA 29  A74 1990 
PY  - 1990///
CY  - New York 
PB  - : W.H. Freeman and Company 
KW  - Ciencias sociales
KW  - - Métodos estadísticos
N1  - Includes index
ER  -