Ξανθοπούλου Π.; Σβάρνα Σ. Open, distance education and self-directed learning of teachers during Covid19 pandemic crisis. Open Education: The Journal for Open and Distance Education and Educational Technology, [S. l.], v. 20, n. 1, p. 131–148, 2024. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/openjournal/article/view/27429. Acesso em: 17 jul. 2024.