Vianna, Lourival, Diogo L. Marques, Mário C. Marques, and Ricardo Ferraz. “Physical Performance Changes During Circuit Training and Detraining in U15 Soccer Players”. Journal of Human Sport and Exercise 15, no. 3proc (September 28, 2020): S708-S722. Accessed May 9, 2024. https://www.jhse.ua.es/article/view/2020-v15-n3-proc-physical-performance-circuit-training-detrainin.