Yigiter, Korkmaz, and Mihrac Koroglu. “Examination of the Stress and Social Phobia Levels of 13-18 Age Group Students Participating in Tennis Training: Tennis, Social Phobia, Stress”. Progress in Nutrition 24, no. 2 (July 1, 2022): e2022083. Accessed September 25, 2022. https://mattioli1885journals.com/index.php/progressinnutrition/article/view/12287.