Coelho, D. B.; Rodrigues, V. de M.; Condessa, L. A.; Mortimer, L. de Ávila C. F.; Soares, D. D.; Silami-Garcia, E. Intensity of Training Sessions and of Official Soccer Matches . Rev Bras Educ Fís Esporte 2008, 22 (3), 211-218. https://doi.org/10.1590/S1807-55092008000300005.