MARTIN, Florence; KUMAR, Swapna; SHE, Liane. Examining Higher Education Instructor Perceptions of Roles and Competencies in Online Teaching. Online Learning, Boston, MA, v. 25, n. 4, 2021. DOI: 10.24059/olj.v25i4.2570. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/2570. Acesso em: 4 apr. 2026.