Roca Moyano, Ramón. “Physical Activity and Health in Elderly People from Six Latin American Countries: A Literature Review”. Revista Ciencias de la Actividad Física UCM 17, no. 1 (June 29, 2016): 77-86. Accessed May 14, 2025. http://200.9.234.116/index.php/revistacaf/article/view/93.