Qo’shayevich, Xaqnazarov Qurbon. “The Origin of Volleyball and Its Place in World Sports”. European Journal of Life Safety and Stability (2660-9630) 11 (December 3, 2021): 140-141. Accessed March 16, 2026. http://www.ejlss.indexedresearch.org/index.php/ejlss/article/view/216.