“The Structure of the Training Process of Concentration and Distribution of Attention in Sports Swimming, Competitive and Rhythmic Gymnastics”, Fiz. vihov. sport kul’t. zdor. suchas. susp., no. 1(33), pp. 114–118, Mar. 2016, Accessed: Nov. 21, 2024. [Online]. Available: https://sport.vnu.edu.ua/index.php/sport/article/view/51