NUGRAHA, I. D. Students’ Mathematical Problem-Solving Ability on Social Arithmetic Material. Journal of Innovation and Research in Primary Education, [S. l.], v. 1, n. 2, p. 33–39, 2022. DOI: 10.56916/jirpe.v1i2.171. Disponível em: https://ejournal.papanda.org/index.php/jirpe/article/view/171. Acesso em: 21 jan. 2026.