Kostyukov V.V., Nirka V.V., Kostyukova O.N., and Karlitskiy I.N. “Comprehensive Training of Highly Qualified Athletes in Beach Volleyball”. Theory and Practice of Physical Culture, no. 6 (July 19, 2024): 6–8. Accessed November 23, 2024. http://tpfk.ru/index.php/TPPC/article/view/1040.