DITASONA, C. Exploring Ethnomathematics in Batak Toba Carvings for Locally-based Mathematics Teaching Material. Journal of Education Reseach and Evaluation, [S. l.], v. 7, n. 3, p. 399–407, 2023. DOI: 10.23887/jere.v7i3.66787. Disponível em: https://ejournal.undiksha.ac.id/index.php/JERE/article/view/66787. Acesso em: 17 jul. 2024.