Robilova Sharofatxon Mamajonovna, Erkinjonova Sharofatxon Maqsudjon qizi 2024. INCREASING COMPETENCE OF SPEED-STRENGTH QUALITIES IN PHYSICAL TRAINING OF VOLLEYBALL PLAYERS IMPROVING THE COMPETENCE OF SPEED-STRENGTH QUALI TIES IN THE PHYSICAL TRAINING OF VOLLEYBALL PLAYERS. INTERNATIONAL JOURNAL OF SCIENCE AND TECHNOLOGY. (May 2024), 1049–1053. DOI:https://doi.org/10.1808/skphxw31.