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1 gen 1870 anni - Aunque el teléfono surgió a finales de 1870, el sistema telefónico estándar nunca se convirtió en una herramienta educativa importante, ni siquiera en la educación a distancia, debido al alto costo de las llamadas telefónicas analógicas

Aggiunto al nastro di tempo:

Historia de la Tecnología Educativa

ByAlejandro Matos
9 nov 2019
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Data:

1 gen 1870 anni
Adesso
~ 155 years ago
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