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23 дек 1969 г. - En primaria se efectuó una reforma curricular y se elaboraron nuevos libros de texto; se aprobó también una nueva Ley Federal de Educación Superior.
Добавлено на ленту времени:
M4.1_Educación especial
By
Marley Bustamante
9 ноя 2018
1
0
494
Дата:
23 дек 1969 г.
Сейчас
~ 55 г назад
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