CASANOVA, Diogo; PRICE, Linda. Moving Towards Sustainable Policy and Practice – A Five Level Framework for Online Learning Sustainability | Progresser vers des politiques et des pratiques durables : un cadre à cinq niveaux pour un apprentissage en ligne durable. Canadian Journal of Learning and Technology, [S. l.], v. 44, n. 3, 2018. DOI: 10.21432/cjlt27835. Disponível em: https://cjlt.ca/index.php/cjlt/article/view/27835. Acesso em: 20 apr. 2026.