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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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3 Jan 1953 Jahr - Concibió un método llamado"Estudio realizado por colegas , en un ambiente escolar...para mejorar la instrucción"
Zugefügt zum Band der Zeit:
HISTORIA DE LA INVESTIGACIÓN ACCIÓN
By
Leomanu zm
7 Okt 2018
0
0
409
Datum:
3 Jan 1953 Jahr
Jetzt
~ 72 years ago
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