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27 mars 1950 - Headphones
Description:
Headphones and the idea that lessons could be learned through repetition gave rise to the 'language labs' - a practice that remains in use today.
Ajouté au bande de temps:
EME
By
Dayanira Feliciano
14 nov. 2017
0
0
416
Date:
27 mars 1950
Maintenaint
~ Il y a 74 ans
Les images:
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