RAHAYU, D.; NARIMO, S. .; FATHONI, A. . Integrating 21st Century Character Education in Mathematics Learning for Elementary School Students. Indonesian Journal of Character Education Studies, [S. l.], v. 2, n. 2, p. 61–70, 2025. DOI: 10.64420/ijces.v2i2.237. Disponível em: https://ojs.aeducia.org/index.php/ijces/article/view/237. Acesso em: 1 nov. 2025.