PETKOVA, Miroslava; IVANOVA, Gergana. FACTOR ANALYSIS OF PHYSICAL AND MENTAL QUALITIES IN BEGINNER-LEVEL TRACK AND FIELD ATHLETES. KNOWLEDGE - International Journal , [S. l.], v. 76, n. 5, p. 623–629, 2026. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/8367. Acesso em: 17 jun. 2026.