MUZDALIPAH, Ipah; MARSIGIT, Marsigit; ANDAYANI, Sri. Tracing Students’ Cognitive Progression in Geometry: A Design-Based Research Through the Van Hiele Model of Instruction and Ethnomathematics. Prisma Sains : Jurnal Pengkajian Ilmu dan Pembelajaran Matematika dan IPA IKIP Mataram, [S. l.], v. 14, n. 1, p. 76–93, 2026. DOI: 10.33394/j-ps.v14i1.18025. Disponível em: https://ojspanel.undikma.ac.id/index.php/prismasains/article/view/18025. Acesso em: 27 feb. 2026.