Sidabutar, Ropinus, Firman Pangaribuan, Aunisea Tambunan, and Tioria Delima Sagala. “Pelatihan Model Pembelajaran Berbasis Etnomatematika Bagi Guru-Guru Di SMP Swasta Muhammadiyah 55 Kandangan Kabupaten Simalungun”. SAMBARA: Jurnal Pengabdian Kepada Masyarakat 4, no. 2 (May 23, 2026): 364–371. Accessed May 30, 2026. https://www.putrapublisher.org/index.php/sambara/article/view/1686.