TUĞBA AYDOĞDU İSKENDEROĞLU, İSMAIL ERKAN, AYŞEGÜL SERBEST. Classification of SBS Mathematics Questions between 2008-2013 years with Respect to PISA Competency Levels. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 4, n. 2, p. 147–168, 2013. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/55. Acesso em: 3 may. 2024.