TY  - BOOK
AU  - Bloom,Benjamin S.
TI  - Evaluation, instruction and policy making
T2  - IIEP seminar paper ; 
AV  - LB2822.75 B66 1975
PY  - 1975///
CY  - París
PB  - International Institute for Educational Planning
KW  - Evaluación educativa
ER  -