Editorial
Abstract
We reiterate in this first edition of the year 2020 to researchers who wish to publish in Luz, who must have their ORCID registry, which they can obtain for free through the url: https://orcid.org/
In this first installment of the year we present articles by authors from universities in Guantánamo, Camagüey, Holguín, as well as authors from Ecuador and Angola. Readers who approach our magazine will be able to find works mostly related to professional training and primary education.









