10.65624 PENGARUH PROBLEM BASED LEARNING BERBASIS ETNOMATEMATIKA SUKU TORAJA TERHADAP HASIL BELAJAR  BANGUN DATAR KELAS V SD. JOEBAS: Journal of Education, Behavior, and Social Studies, [S. l.], v. 2, n. 1, p. 164–172, 2026. DOI: 10.65624/e2v42e43. Disponível em: https://banisalehjurnal.ubs.ac.id/index.php/joebas/article/view/569. Acesso em: 8 agu. 2026.