L. M. . Sierra Acero, C. Palacio González, and C. A. . Trujillo Sierra, “Relationship between the perception of vigor and negative variables in athletes belonging to clubs in the city of Medellín”, Informes Psicol., vol. 8, pp. 107–127, Oct. 2006, Accessed: Jun. 20, 2026. [Online]. Available: https://revistas.upb.edu.co/index.php/informespsicologicos/article/view/769