24 de agosto de 2017 - 06:16 p. m.
Científicos marcharon contra el recorte presupuestal a la ciencia
El Espectador
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Cientificos Protestan
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Cientificos Protestan
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Cientificos Protestan
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Cientificos Protestan
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Cientificos Protestan
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Cientificos Protestan
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