Richard, E., D. I. Contreras Zapata, and P. Maillard Bauer. “Legality and Legitimacy of Compulsory Attendance to Theoretical Classes and Evidence Portfolios in Public Higher Education Institutions in Ecuador”. Revista Pedagogía Universitaria Y Didáctica Del Derecho, vol. 8, no. 1, June 2021, pp. 283-04, doi:10.5354/0719-5885.2021.60394.