TY  - BOOK
AU  - Wolf, Richard M
TI  - Achievement in America: national report of the United States for the International Educational Achievement Project 
SN  - 0-8077-2493-0
AV  - LB 1028 W6
PY  - 1977///
CY  - New York
PB  - Teachers College
KW  - Educación
KW  - Investigación -
KW  - Estados Unidos
N1  - Report of study conducted by the International Association for the Evaluation of Educational Achievement; Incluye bibliografía
ER  -