Putri Nur'aini, Jihan, Indrie Noor Aini, and Iyan Rosita Dewi Nur. 2026. “Ethnomathematics: A Study of Plane Geometry Concepts at the Walahar Dam”. EduMatSains : Jurnal Pendidikan, Matematika Dan Sains 10 (4):160-76. https://doi.org/10.33541/edumatsains.v10i4.7883.