RATIH, Rifa. An Ethnomathematics Study of Flat-Building Geometry on Traditional Central Javanese Musical Instruments. Vygotsky: Jurnal Pendidikan Matematika dan Matematika, [S. l.], v. 8, n. 1, p. 1–12, 2026. DOI: 10.30736/voj.v8i1.1277. Disponível em: https://jurnalpendidikan.unisla.ac.id/index.php/VoJ/article/view/1277. Acesso em: 8 nov. 2026.