Development of Mathematics Teaching Materials Based on Problem Solving on Social Arithmetic Material. International Journal of Advanced Technology and Social Sciences (IJATSS), [S. l.], v. 2, n. 9, p. 1415–1426, 2024. DOI: 10.59890/wg3bf992. Disponível em: https://penerbitjurnalinternasional.com/index.php/ijatss/article/view/701.. Acesso em: 31 mar. 2026.