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jan 1, 1980 - Se determina las clases sociales, en dos partes como trabajador del conocimiento y trabajados tradicional de servicios donde pasa a ser factor de guanacias de alto alcance
Added to timeline:
SOCIEDAD DEL CONOCIMIENTO
By
michael escobar
12 Feb 2020
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Date:
jan 1, 1980
Now
~ 46 years ago
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