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Louisa Williams Bailey, Marta S. de Peralta, Johana Marín Aparicio

Theory and practices of distance education learning

97-108 | Published: 2020-10-06 |

Lorenzo Caballero Vigil, Reyna I. Jaramillo H., Dalys E. Villarreal B.

Numerical relations: mathematics in the digits of the year 2020

86-96 | Published: 2020-10-06 |