Fradejas, Enrique, and María Espada-Mateos. “How Do Psychological Characteristics Influence the Sports Performance of Men and Women? A Study in School Sports”. Journal of Human Sport and Exercise 13, no. 4 (December 10, 2018): 858–872. Accessed April 19, 2024. https://www.jhse.ua.es/article/view/2018-v13-n4-psychological-characteristics-influence-sports-perfo.