Tukaiev S, Dolgova O, Lysenko O, Fedorchuk S, Havrylets Y, Rizun V, Vasheka T, J. M. van den Tol A. Amateur sport and emotional burnout formation in high school students. CERJ [Internet]. 2019 Nov. 30 [cited 2025 Dec. 5];9(4):103-9. Available from: https://un-pub.eu/ojs/index.php/cerj/article/view/4328