AGUS SELAMAT TELAUMBANUA; WAMINTON RAJAGUKGUK; HAMIDAH NASUTION. Development of Digital Teaching Materials through a Realistic Mathematics Approach used by Autograph Software to Improve Students’ Problem-Solving and Mathematical Communication Abilities. Jurnal Perspektif, [S. l.], v. 10, n. 2, p. 283–297, 2026. DOI: 10.15575/jp.v10i2.469. Disponível em: http://perspektif.uinsgd.ac.id/index.php/JP/article/view/469. Acesso em: 4 jul. 2026.