Upik Nurmailis, Uswatun Hasanah, Vitaria Agustina, V.V. Mayangsari, and Veni Lukman. “Application of the 1-20 Counting Method Using Fingers in Improving the Cognition of Class B Children Ra Darussalam Kotasiantar”. Indonesian Journal of Islamic Education 1, no. 3 (March 16, 2025): 442–447. Accessed September 27, 2025. https://journal.maalahliyah.sch.id/index.php/ijie/article/view/302.