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/it/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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1 gen 1969 anni - Teoría General de los Sistemas 1969 Ludwig von Bertalanffy, realiza publicación del libro Teoría general de los sistemas.
Aggiunto al nastro di tempo:
Teoría del Humanismo
By
Laura Márquez
22 mar 2020
0
0
446
Data:
1 gen 1969 anni
Adesso
~ 56 years ago
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