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. j. perspektif [Internet]. 2026 Jul. 3 [cited 2026 Jul. 4];10(2):283-97. Available from: http://perspektif.uinsgd.ac.id/index.php/JP/article/view/469