WELLER, Martin. MODELS OF LARGE-SCALE E-LEARNING. Online Learning, Boston, MA, v. 8, n. 4, 2019. DOI: 10.24059/olj.v8i4.1812. Disponível em: https://olj.onlinelearningconsortium.org/index.php/olj/article/view/1812. Acesso em: 25 mar. 2026.