A Bayesian Ordinal Analysis of Students’ Progression Across Van Hiele Levels. Jurnal Varian, [S. l.], v. 9, n. 1, p. 53–66, 2026. DOI: 10.30812/varian.v9i1.6079. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/6079. Acesso em: 3 may. 2026.