From Recognition to Logical Deduction: Assessing the van Hiele Levels of Geometric Thinking Among Students of Diverse Disciplines. Riemann: Research of Mathematics and Mathematics Education, [S. l.], v. 8, n. 1, p. 210–230, 2026. DOI: 10.38114/riemann.v8i1.145. Disponível em: https://journal.sanagustin.ac.id/index.php/reimann/article/view/145.. Acesso em: 12 may. 2026.