KOUTROUBA, K. . Defining Teacher Effectiveness in Secondary Education: The Perceptions of Greek Students. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 15, n. 10, p. 73–91, 2016. Disponível em: https://ijlter.net/index.php/ijlter/article/view/883. Acesso em: 19 apr. 2026.