Eminent Researchers of the Self -Directed Learning in the Second Part of the 20th Century. Training and Practice : Journal of Educational Sciences, [S. l.], v. 6, n. 1, p. 29–42, 2008. Disponível em: https://journal.uni-mate.hu/index.php/trainingandpractice/article/view/5407. Acesso em: 5 dec. 2025.