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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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23 dic 1969 anni - En primaria se efectuó una reforma curricular y se elaboraron nuevos libros de texto; se aprobó también una nueva Ley Federal de Educación Superior.
Aggiunto al nastro di tempo:
M4.1_Educación especial
By
Marley Bustamante
9 nov 2018
1
0
494
Data:
23 dic 1969 anni
Adesso
~ 55 years ago
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