Irvandi, W. and Hartono, H. 2021. Development of Teaching Materials for Ethnomatematics Subjects for Students of Mathematics Education Study Program. Apotema : Jurnal Program Studi Pendidikan Matematika. 7, 1 (Jan. 2021), 1–11. DOI:https://doi.org/10.31597/ja.v7i1.546.