Tarango, Javier, Juan D. Machin-Mastromatteo, and José Refugio Romo-González. 2019. “Design and Learning Evaluation of Google Classroom and Chamilo”. IE Revista De Investigación Educativa De La REDIECH 10 (19):91 - 104. https://doi.org/10.33010/ie_rie_rediech.v10i19.518.