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24 Dez 1997 Jahr - Merill "Objetos de Conocimiento"

Beschreibung:

Definió la forma precisa de definir un contenido a enseñar
Los componentes necesarios.

Zugefügt zum Band der Zeit:

Linea de Tiempo RED

ByCarlos Puentes

12 Okt 2018

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372

Datum:

24 Dez 1997 Jahr

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~ 27 years ago

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