TY  - BOOK
ED  - Instituto Nacional de Pedagogía (México)
TI  - Curriculum for seventh and eighth grades in the ungraded elementary schools
AV  - LA219 C87
PY  - 1933///
CY  - Minnesota
PB  - Department of Education
KW  - Educación primaria
KW  - Estados Unidos
N1  - Incluye índice
ER  -