Nugroho, K. U. Z., Sukestiyarno, Y. L. and Nurcahyo, A. (2021) “The Weaknesses of Euclidean Geometry: A Step of Needs Analysis of Non-Euclidean Geometry Learning through an Ethnomathematics Approach”, Edumatika : Jurnal Riset Pendidikan Matematika, 4(2), pp. 126–149. doi: 10.32939/ejrpm.v4i2.1015.