Aiyouti C, Zulmiyetri Z, Iswari M, Budi S. Effectiveness of Colored Stick In Improving Addition Skills for Deaf Children. edumaspul [Internet]. 1Mar.2024 [cited 4Dec.2024];8(1):1677 -1680. Available from: https://ummaspul.e-journal.id/maspuljr/article/view/7931