NASRUDDIN; PALOBO, M. THE EFFECT OF THE APOS-BASED LEARNING FOR SELF-CONFIDENCE AND MATHEMATICS LEARNING ACHIEVEMENT. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 11, n. 3, p. 79–86, 2023. DOI: 10.29121/granthaalayah.v11.i3.2023.5075. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/5075. Acesso em: 15 jun. 2024.