NAGY-CZIROK, Lászlóné. International experience of Hungarian school headmasters in Finnish continuing professional teacher training environment. Opus et Educatio, [S. l.], v. 3, n. 6, 2016. 10.3311/ope.150. Disponível em: https://journals.bme.hu/oee/article/view/38934. Acesso em: 5 jul. 2025.