A proposed concept to improve the students’ outcomes in international mathematics tests in the view of teachers and supervisors. Humanities and Educational Sciences Journal, [S. l.], n. 34, 2023. DOI: 10.55074/hesj.vi34.860. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/860. Acesso em: 24 jun. 2026.