Álvarez Berta, Luis Michel, et al. “Las áreas Funcionales Implicadas En El Entrenamiento Especial Competitivo Del Boxeo. Un Estudio De Casos (The Functional Areas Implied in the Special-Competitive Training of the Boxing. A Case Study Research)”. Retos, vol. 26, July 2014, pp. 71-74, https://doi.org/10.47197/retos.v0i26.34402.