PEDAGOGICAL USABILITY: A THEORETICAL ESSAY FOR E-LEARNING. HOLOS, [S. l.], v. 1, p. 3–15, 2016. DOI: 10.15628/holos.2016.2593. Disponível em: https://periodicos-treinamento.ifrn.edu.br/index.php/HOLOS/article/view/2593. Acesso em: 26 out. 2026.