AKANDERE, Mehibe, Ayşegül ÇELİK, Mehmet ALTIN, and Gülsüm BAŞTUĞ. 2015. “The Effect of Sport on Tolerance Level of Secondary School Students Against Themselves”. Sportif Bakış: Spor Ve Eğitim Bilimleri Dergisi 2 (2):59-70. https://sportifbakis.com/index.php/pub/article/view/249.