Telaumbanua, Folala, Efron Manik, and Ruth Mayasari Simanjuntak. “Pengembangan Media Pembelajaran Geometri Dari Omo Hada Nias Selatan”. Jurnal Basicedu 6, no. 3 (April 27, 2022): 4887–4904. Accessed September 18, 2025. https://jbasic.org/index.php/basicedu/article/view/2983.