Acuña Delgado, Ángel, and G. Acuña Gómez. “Yanomami Football in the High Ocamo (Amazons State, Venezuela): The Mabetiteri Case”. Journal of Human Sport and Exercise, vol. 5, no. 3, Oct. 2010, pp. 328-3, doi:10.4100/jhse.2010.53.03.