KOUTSOPOULOS, K. C.; ECONOMOU, Thomas. Education research: A toolkit proposal . International Journal of Education, Training and Learning, [S. l.], v. 9, n. 1, p. 1–14, 2025. DOI: 10.33094/ijetl.v9i1.2375. Disponível em: https://onlineacademicpress.com/index.php/IJETL/article/view/2375. Acesso em: 30 jan. 2026.