NAMPUNG, N. .; SON, A. L.; MONE, F. . Improving Problem-Solving Ability through a Constructivist Approach in Learning Mathematics for Grade X High School Students. Indonesian Educational Research Journal, [S. l.], v. 1, n. 2, p. 97–104, 2023. DOI: 10.56773/ierj.v1i2.18. Disponível em: https://journal.id-sre.org/index.php/ierj/article/view/18. Acesso em: 18 aug. 2025.