DEMIREL, A. H.; SIMSEKLER DIZMAN, T. Pre-Service Mathematics Teachers’ Understanding of Quadrilateral Definitions and Hierarchical Relationships: A Van Hiele Perspective. International Journal of Psychology and Educational Studies, [S. l.], v. 12, n. 4, p. 255–270, 2025. DOI: 10.52380/ijpes.2025.12.4.1484. Disponível em: https://ijpes.com/index.php/ijpes/article/view/1484. Acesso em: 27 nov. 2025.