Sakallı Gümüş, Suad, Ayşegül Şükran Öz, and Hüseyin Kırımoğlu. 2011. “Sports and Physical Activity As a Preventative Social Support Approach to Loneliness and Hopelessness of Adolescents”. Journal of Human Sciences 8 (2):1-14. https://j-humansciences.com/ojs/index.php/IJHS/article/view/1307.