Experimentation in the development of more effective methods of teaching foreign languages by making extensive use of electro-mechanical aids : final report to U.S. Department of Health, Education, and Welfare, U.S. Office of Education, Division of Higher Education, Financial Aid Branch, Language Development Section, Washington 25, D.C. /
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| Formato: | Libro |
| Lenguaje: | English |
| Publicado: |
[Washington, D.C.]?,
1962.
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| Descripción Física: | 82 l. : ill., forms ; 22 cm. |
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