Daniel Callejas, autor en Tecnoempresa

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

Switch to the dark mode that's kinder on your eyes at night time.

Switch to the light mode that's kinder on your eyes at day time.

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in Daniel Callejas, NEGOCIOS, OPINIÓN, salud

Las clases presenciales no urgen, columna de @Dan_Callejas

marzo 1, 2021, 10:34 am
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242 Views3 Votes
in Daniel Callejas, ECONOMIA, Energía, OPINIÓN

A oscuras y sin privados, columna de @Dan_Callejas

febrero 22, 2021, 9:19 am
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416 Views5 Votes
in Daniel Callejas, Farmacéutica, OPINIÓN, salud

Confiar en las vacunas, la columna de @Dan_Callejas

febrero 1, 2021, 12:08 pm
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