TY  - BOOK
AU  - Tyler, Ralph W.
AU  - Richey, Herman G. 
TI  - Educational evalution :    : new roles, new means / 
U1  - 370.5 NAT 
PY  - 1969///
CY  - Chicago : 
PB  - Chicago Press, 
KW  - Education
KW  - Mental health
KW  - Modern education
N1  - Includes index
ER  -