GÓMEZ-CARMONA, Carlos David; GAMONALES-PUERTO, José Martín; FEU, Sebastián; IBÁÑEZ, Sergio José. Study of internal and external load by different instruments. a case study in grassroots. Sportis. Scientific Technical Journal of School Sport, Physical Education and Psychomotricity, [S. l.], v. 5, n. 3, p. 444–468, 2019. DOI: 10.17979/sportis.2019.5.3.5464. Disponível em: https://revistas.udc.es/index.php/SPORTIS/article/view/sportis.2019.5.3.5464. Acesso em: 22 jul. 2024.