MAHFUDY, S.; WAHYU, K.; MAULIDDIN, M.; SUCIPTO, L.; EVENDI, E.; IRPAN, S. Characters and values in mathematics teaching and learning: A review of research in Indonesia. Beta: Jurnal Tadris Matematika, [S. l.], v. 12, n. 1, p. 60–81, 2019. DOI: 10.20414/betajtm.v12i1.237. Disponível em: https://jurnalbeta.ac.id/index.php/betaJTM/article/view/237. Acesso em: 18 jan. 2022.