ORTEGA CABALLERO, Manuel; HEREDIA TIRADO, Estefanía; ALCALÁ RÍOS, Juan Vicente. Differential analysis of perseverance and passion "GRIT" for long-term goals according to competitive level in racket sports. Padel Scientific Journal, [S. l.], v. 4, n. 1, p. 33–52, 2026. DOI: 10.17398/2952-2218.4.33. Disponível em: https://revista-padel.unex.es/index.php/padel/article/view/2435. Acesso em: 29 oct. 2026.