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1 Jan 1969 Jahr - Teoría General de los Sistemas 1969 Ludwig von Bertalanffy, realiza publicación del libro Teoría general de los sistemas.
Zugefügt zum Band der Zeit:
Teoría del Humanismo
By
Laura Márquez
22 Mär 2020
0
0
447
Datum:
1 Jan 1969 Jahr
Jetzt
~ 56 years ago
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