BELEZZA, Franco. Sia permanente l’educazione. Lifelong Lifewide Learning, [S. l.], v. 3, n. 9, p. 40–41, 2007. DOI: 10.19241/lll.v3i9.371. Disponível em: https://edaforum.it/ojs/index.php/LLL/article/view/371. Acesso em: 31 ago. 2026.