// todo need optimize like in event.jsp. Add indexing or not indexing this page. (1 Jan 1973 Jahr – 31 Dez 1973 Jahr) (Band der Zeit)
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(1 Jan 1973 Jahr – 31 Dez 1973 Jahr)

Beschreibung:

Se lleva a cabo la reforma, por lo cual se modifica el plan de estudios de la educación secundaria.

Se desarrolla una primera generación de materiales, los textos recibieron nombre de guías de estudio, apegadas aun plan y programa

Zugefügt zum Band der Zeit:

Linea del Tiempo Telesecundaria y Telebachillerato

ByGladys Alvarez Mendoza
3 Okt 2019

Datum:

1 Jan 1973 Jahr
31 Dez 1973 Jahr
~ 12 months

Abbildungen:

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