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IPN (15 déc. 1957 – 21 mars 1958)

Description:

Transmisiones en circuito cerrado
con clases de matemáticas impartidas por el profesor Vianney Vergara,

Ajouté au bande de temps:

Experiencias y Desarrollo de la Radiotelevisión de Servicio Público en América Latina: México

ByNicole Jo
13 nov. 2017
0
0
446

Date:

15 déc. 1957
21 mars 1958
~ 3 months and 6 days
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