Examining the Effects of Students and School Variables on PISA 2012 Problem-Solving Achievement in Turkey. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 2, n. 5, 2017. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/1124. Acesso em: 25 nov. 2024.