Sahara N, Fitriani F. The Role of Ethnomathematics Based on Traditional Engklek Games in Improving the Ability to Understand Mathematical Concepts Sipirok Muhammadiyah Elementary School Students. FINGER J. Ilm. Teknol. Pendidik. [Internet]. 2022 Jun. 28 [cited 2025 Aug. 4];1(1):31-5. Available from: https://ejournal.1001tutorial.com/index.php/finger/article/view/23