SLIGTE, Henk; KOPER, Rob. Empowering Learners for Lifelong Competence Development: Pedagogical, Organizational and Technological Issues. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 3, n. s1, p. pp. 4–6, 2008. Disponível em: https://online-journals.org/index.php/i-jet/article/view/569. Acesso em: 27 apr. 2026.