Akay, Mehmet Fatih, Ozge Bozkurt, Ebru Cetin, and Imdat Yarim. “Multiple Linear Regression-Based Physical Fitness Prediction Models for Turkish Secondary School Students”. New Trends and Issues Proceedings on Humanities and Social Sciences 5, no. 4 (September 17, 2018): 58–64. Accessed May 8, 2024. https://un-pub.eu/ojs/index.php/pntsbs/article/view/3704.