The effectiveness of mathematics learning with the ethnomatematics approach to understanding junior high school students’ concepts. Jurnal Mercumatika : Jurnal Penelitian Matematika dan Pendidikan Matematika, [S. l.], v. 8, n. 2, 2025. DOI: 10.26486/jm.v8i2.4526. Disponível em: https://ejurnal.mercubuana-yogya.ac.id/index.php/mercumatika/article/view/4526. Acesso em: 30 jun. 2026.