KETKO, T. . Teachers in Multi-Cultural Societies: Excellence and Leadership. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 16, n. 4, p. 54–66, 2017. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/826. Acesso em: 20 apr. 2026.