KOZLOVA GALINA GENNADIEVNA. FORMATION OF TEAM COLLABORATION AND LEADERSHIP QUALITIES THROUGH A SYSTEM-ACTIVITY APPROACH IN SPORTS ACTIVITIES. Ethiopian International Multidisciplinary Research Conferences, [S. l.], v. 3, n. 1, p. 398–400, 2026. Disponível em: https://eijmr.org/conferences/index.php/eimrc/article/view/2177. Acesso em: 14 jun. 2026.