UMMAH, A.; NURSIT, I. Analysis of Grade VIII Students’ Geometric Thinking Ability in Flat Surface Construction Material Based on Van Hiele’s Theory. Journal of Philosophy and Research in Islamic Mathematics Education (J-PRIMa), [S. l.], v. 1, n. 1, p. 1–15, 2025. Disponível em: https://riset.unisma.ac.id/index.php/j-prima/article/view/24555. Acesso em: 21 jul. 2026.