RUIZ VANOYE, J. A.; DÍAZ-PARRA, O.; FUENTES-PENNA, A.; VÉLEZ-DÍAZ, D.; GARCÍA MUNGUÍA, M.; RUIZ-DÍAZ, J.; RUIZ-DÍAZ, F. Motivation Index to Improve the Soccer Performance. International Journal of Combinatorial Optimization Problems and Informatics, [S. l.], v. 8, n. 3, p. 45–57, 2018. Disponível em: https://www.ijcopi.org/ojs/article/view/18. Acesso em: 19 apr. 2024.