Fermín González, Marlene. “Research on Virtual Education, Inclusion, and Diversity: A Systematic Review of Scientific Publications (2007–2017)”. The International Review of Research in Open and Distributed Learning 20, no. 5 (April 4, 2019): 146–167. Accessed April 18, 2024. https://www.irrodl.org/index.php/irrodl/article/view/4349.