TY  - BOOK
AU  - Smith, Milton G. 
TI  - A Simplified Guide to Statistics: for Psychology and Education 
U1  - 150 21
PY  - 1962///
CY  - New York, Estados Unidos de América
PB  - Holt, Rinehart and Winston, 
KW  - Psicología.
KW  - ddcri
ER  -