AULIA, Nurul Rakhma; WAHYUNI, Indah. Implementation of Ethnomathematics in Ancient Buildings in the Gresik Packaging Village Area Using Group Investigation (GI) Type Cooperative Methods to Improve Student Communication on Building Spatial Materials. Radian Journal: Research and Review in Mathematics Education, [S. l.], v. 3, n. 1, p. 1–5, 2024. DOI: 10.35706/rjrrme.v3i1.9052. Disponível em: https://journal-fkip.unsika.ac.id/index.php/radian/article/view/9052. Acesso em: 12 feb. 2026.