Progress of public education in the United States of America 1969 - 70: Report for the thirty-third International Conference on public education, sponsored by the United Nations educational, scientific and cultural organization, International Bureau of education
Сохранено в:
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| Опубликовано: | Washington : U.S.Government Printing Office , 1971 |
| Физические характеристики: |
VI, 54 c.
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| Язык: | Английский |
| Серия: |
U.S.Department of health, education, and welfare
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