TRAN, L. T.; NGUYEN, T. S. Motivation and mathematics achievement: A Vietnamese case study. Journal on Mathematics Education, [S. l.], v. 12, n. 3, p. 449–468, 2021. Disponível em: https://jme.ejournal.unsri.ac.id/index.php/jme/article/view/3646. Acesso em: 1 jul. 2025.