AROFAH, . The Use of Number Ruler Teaching Aids to Improve Students’ Mathematics Learning Outcomes. Jurnal Pendidikan Profesi Guru, [S. l.], v. 1, n. 2, p. 64–72, 2023. Disponível em: https://journal32.ar-raniry.ac.id/ppg/article/view/3070. Acesso em: 20 sep. 2024.