The Weaknesses of Euclidean Geometry: A Step of Needs Analysis of Non-Euclidean Geometry Learning through an Ethnomathematics Approach. Edumatika : Jurnal Riset Pendidikan Matematika, [S. l.], v. 4, n. 2, p. 126–149, 2021. DOI: 10.32939/ejrpm.v4i2.1015. Disponível em: https://tigajurnal.iainkerinci.ac.id/index.php/edumatika/article/view/1015. Acesso em: 10 aug. 2026.