Zamora Badilla, Tattiana. “Virtual Experience of the University Community of San Marcos University, Regarding the Virtual Platforms of the Learning and Research Resource Center (CRAI)”. Revista Académica Institucional, vol. 2, no. 1, June 2020, pp. 44-55, https://rai.usam.ac.cr/index.php/raiusam/article/view/20.