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 : Jurnal Ilmiah Teknologi Pendidikan, [S. l.], v. 1, n. 1, p. 31–35, 2022. DOI: 10.58723/finger.v1i1.23. Disponível em: https://ejournal.1001tutorial.com/index.php/finger/article/view/23. Acesso em: 4 aug. 2025.