RAHAYU, D.; NARIMO, S. .; FATHONI, A. . 21st Century Character Education in Mathematics Learning for Elementary School Students. Indonesian Journal of Character Education Studies, [S. l.], v. 3, n. 1, p. 1–9, 2026. DOI: 10.64420/ijces.v3i1.330. Disponível em: https://ojs.aeducia.org/index.php/ijces/article/view/330. Acesso em: 12 mar. 2026.