Febriani, Ratu Eva, and Yusnida Yusnida. “Abacus As Educational Media: Collaboration Between Parents and Children in the Development of Numeracy Skills”. DIKDIMAS : Jurnal Pengabdian Kepada Masyarakat 3, no. 3 (December 16, 2024): 110–117. Accessed May 13, 2026. https://ejournal.1001tutorial.com/dikdimas/article/view/351.