KAPPAS, S. .; TSOLIS, D. . Greek University MOOCs and Secondary Education Teachers’ Training. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 17, n. 5, p. 26–46, 2018. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/675. Acesso em: 19 apr. 2026.