Ethnomathematics Exploration at Deli Serdang Museum. Riemann: Research of Mathematics and Mathematics Education, [S. l.], v. 6, n. 3, p. 287–295, 2024. DOI: 10.38114/3200jb65. Disponível em: https://journal.sanagustin.ac.id/index.php/reimann/article/view/34.. Acesso em: 24 mar. 2026.