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21 Sept 1943 Jahr - 1943- Kurt Lewin desarrolla la teoría donde explica cómo el comportamiento social es el resultado de interacciones del medio y los individuos
Zugefügt zum Band der Zeit:
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By
Stephanie Garcia
7 Dez 2017
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0
621
Datum:
21 Sept 1943 Jahr
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~ 82 years ago
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