Aiyouti, Cahaya, Zulmiyetri Zulmiyetri, Mega Iswari, and Setia Budi. “Effectiveness of Colored Stick In Improving Addition Skills for Deaf Children”. Edumaspul: Jurnal Pendidikan 8, no. 1 (March 1, 2024): 1677 - 1680. Accessed December 9, 2025. https://jurnal.unimen.cloud/maspuljr/article/view/7931.