Campos, Francisco, Sixto González-Víllora, David González Gómez, and Fernando Manuel Lourenço Martins. 2019. “Benefits of 8-Week Fitness Programs on Health and Fitness Parameters (Beneficios De Los Programas De Fitness De Ocho Semanas En parámetros De Salud Y Fitness)”. Retos 35 (January): 224-28. https://doi.org/10.47197/retos.v0i35.63889.