VILLARREAL-PUGA, Marcos; VILLARREAL PUGA, Josué. Inequalities in Retention and Academic Performance in Virtual Environments: A Comparative Analysis Between Immigrant and Ecuadorian Students in Ecuador Participating in a Continuing Education Course in Moodle. REMHU, Revista Interdisciplinar da Mobilidade Humana, [S. l.], v. 33, p. e332169, 2025. DOI: 10.1590/1980-85852503880003319. Disponível em: https://remhu.csem.org.br/index.php/remhu/article/view/2169. Acesso em: 21 jan. 2026.