Angela, Hilda, and Ahmad Ahmad. “An Analysis of Mathematical Communication Ability of Grade VIII Student at SMP Negeri 1 Sumpiuh in Terms of Self-Confidence”. Jurnal Ilmiah Wahana Pendidikan 10, no. 5 (January 18, 2024): 436-443. Accessed April 17, 2026. https://www.jurnal.peneliti.net/index.php/JIWP/article/view/6373.