BEDIR, S. G.; BAL, A. P. Investigation of Secondary School Students’ Skills in Posing Pisa Type Problems. EJONS INTERNATIONAL JOURNAL, [S. l.], v. 7, n. 4, p. 467–481, 2023. DOI: 10.5281/zenodo.10479147. Disponível em: https://ejons.org/index.php/ejons/article/view/396. Acesso em: 3 jul. 2024.