CHEN, Gang. The Significance of Self-Directed Learning in Adult Lifelong Education. Communication & Education Review, [S. l.], v. 5, n. 2, p. 116–121, 2024. Disponível em: https://masonpublish.org/index.php/the-communication-education-revi/article/view/932. Acesso em: 6 nov. 2026.