Samkova, O.S., T.V. Fendel, and S.D. Zubkova. “Assessment of the Effectiveness of the Application of Isometric Exercises in the Special Strength Preparation of Qualified Volleyball Players”. Theory and Practice of Physical Culture, no. 8 (September 1, 2026): 26–29. Accessed October 15, 2026. http://tpfk.ru/index.php/TPPC/article/view/1747.