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1 gen 1939 anni - Closed circuit television was first used for learning in Los Angeles public schools and at the State University of Iowa.

Descrizione:

By Wags05 at English Wikipedia (Own work) [Public domain], via Wikimedia Commons

Aggiunto al nastro di tempo:

A Brief History of Educational Technology

18 set 2017

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832

Data:

1 gen 1939 anni

Adesso

~ 86 years ago

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