TY  - BOOK
AU  - Berk, Ronald A.,
TI  - Educational evaluation methodology: The state of the art 
SN  - 0801825180
AV  - LB2823 B46
PY  - 1981///
CY  - Baltimore
PB  - Johns hopkins university
KW  - Educacion
KW  - Investigacion
KW  - Estados Unidos
KW  - Congresos
KW  - Educación
KW  - Estudio y enseñanza
N1  - "a product of the second annual john hopkins university national symposium on educational research (nser), held in washington, d. c. in november, 1979
ER  -