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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
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2 gen 1950 anni - La teoria hace referencia a que un sistema es un conjunto de unidades independientes e interactuantes que forman un todo organizado
Aggiunto al nastro di tempo:
especializacion
By
alexandra puentes
30 set 2019
0
0
680
Data:
2 gen 1950 anni
Adesso
~ 75 years ago
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