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27 mar 1950 año - Headphones

Descripción:

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

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ByDayanira Feliciano

14 nov 2017

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565

fecha:

27 mar 1950 año

Ahora mismo

~ 75 years ago

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