Cossio-Bolaños, Marco Antonio, Ruben Vidal-Espinoza, Jose Sulla-Torres, Cristian Luarte-Rocha, Jaime Pacheco-Carrillo, and Rossana Gomez-Campos. “Validez, Confiabilidad Y Percentiles De Un Cuestionario Que Mide Los Niveles De Actividad En Adolescentes Que Viven a Moderada Altitud Del Perú (Validity, Reliability, and Percentiles of a Questionnaire Measuring Activity Levels in Adolescents Living at”. Retos 36 (July 1, 2019): 441–445. Accessed December 16, 2025. http://207.180.252.49/index.php/retos/article/view/69226.