AULIA, P. A.; SUGIARNI, R.; RODRÍGUEZ-NIETO, C. A. . Development and validation of ethnomathematics-based worksheets integrating Sundanese Pupuh for enhancing number pattern learning in Indonesian secondary schools. Polyhedron International Journal in Mathematics Education, [S. l.], v. 3, n. 2, p. 139–152, 2025. DOI: 10.59965/pijme.v3i2.275. Disponível em: https://nakiscience.com/index.php/pijme/article/view/275. Acesso em: 2 feb. 2026.