Conceptual Understanding of Students with Special Needs in Two-dimensional Shapes Based on Pirie Kieren’s Theory. Jurnal Tadris Matematika, [S. l.], v. 6, n. 2, p. 219–230, 2023. DOI: 10.21274/jtm.2023.6.2.219-230. Disponível em: https://ejournal.uinsatu.ac.id/index.php/jtm/article/view/7998. Acesso em: 24 jan. 2026.