Aksu, N., G. Aksu, and S. Saracaloglu. “Prediction of the Factors Affecting PISA Mathematics Literacy of Students from Different Countries by Using Data Mining Methods”. International Electronic Journal of Elementary Education, vol. 14, no. 5, May 2023, pp. 613-29, https://iejee.com/index.php/IEJEE/article/view/1757.