ŞAR, Nuriye Şeyma, Fikret SOYER, and Mustafa KOÇ. “An Analysis of Psychological Endurance and Personality Traits of Individuals Doing Sports and Not Doing Sports by Various Variables”. Physical education of students 22, no. 2 (April 27, 2018): 91-98. Accessed November 28, 2020. https://sportedu.org.ua/index.php/PES/article/view/582.