Sahara, N. ., ., F., Ariaji, R., Azizah, J. ., Lubis, M. ., & Nopriani Lubis, J. . (2023). The Role of Ethnomatematics Based on Traditional Engklek Games in Improving the Ability of Understanding Mathematical Concepts SD Muhammadiyah Sipirok. KnE Social Sciences, 8(4), 336–342. https://doi.org/10.18502/kss.v8i4.12915