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27 mar 1950 ano - Headphones

Descrição:

Headphones and the idea that lessons could be learned through repetition gave rise to the 'language labs' - a practice that remains in use today.

Adicionado na linha do tempo:

EME

ByDayanira Feliciano

14 nov 2017

0

0

563

Data:

27 mar 1950 ano

Agora

~ 75 years ago

Imagens:

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