ALDRIDGE, Susan C.; PARKER, Mark L. Evaluating Quality in Fully Online U.S. University Courses: A Comparison of University of Maryland University College and Troy University. Revista Brasileira de Aprendizagem Aberta e a Distância, [S. l.], v. 5, 2018. DOI: 10.17143/rbaad.v5i0.176. Disponível em: https://seer.abed.net.br/RBAAD/article/view/176. Acesso em: 21 ago. 2025.