Revista ISCEEM. Reflexiones en torno a la educación, vol. 16, no. 31, January-June 2021, is a free biannual publication, Open Access, edited by the Secretary of Education of the Government of the State of Mexico, through the Higher Institute of Educational Sciences of the State of Mexico, Ex Rancho Los Uribe s/n, col. Santa Cruz Atzcapotzaltongo, C.P. 50030, Toluca, State of Mexico. Telephone (722) 272 70 22. Email: journal@isceem.edu.mx Website: http://revista.isceem.edu.mx/index.php/journal Editor in Chief: Gabriel Renato Reyes Jaimes. Reservations of rights to exclusive use (in process), ISSN (in process), both granted by the National Institute of Copyright. The content of the published articles is the responsibility of each author and does not represent the point of view of ISCEEM. Any partial or total reproduction of the contents or images of the publication, including electronic storage (copying, distributing, displaying and performing the work and making derivative works) is authorized as long as you acknowledge and cite the work in the manner specified by the author. Revista ISCEEM. Reflexiones en torno a la educación publishes 2 issues a year. Responsible for the last update of this number: José Antonio Romero Rangel. Date of last modification: January 6, 2021.