Barbosa-Granados, Sergio, Jaime Arenas-Granada, Héctor Urrea, Alexandre García-Más, Mario Reyes-Bossio, Diana Herrera-Velásquez, Jonathan Nanez, and Haney Aguirre-Loaiza. 2022. “Ansiedad Precompetitiva En Nadadores Juveniles: análisis Desde La percepción Del Nivel De Dificultad Competitivo (Precompetitive Anxiety in Young Swimmers: Analysis of the Perceived Competition Difficulty)”. Retos 45 (June): 651-59. https://doi.org/10.47197/retos.v45i0.90934.