El Progreso de la instruccion publica en los Estadis Unidos de America 1970-71 y 1971-72
| Format: | Book |
|---|---|
| Language: | Spanish |
| Published: |
Washington :
U.S. Departamento of Health, Education and Welfare,
1973.
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| Series: | DHEW publication
|
| Subjects: |
| Physical Description: | 67 páginas : ilustraciones |
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