Effendi H, Wahyuri AS, Fadlan AR, Batubara R, Okilanda A. Article RETRACTED due to manipulation by the authors Mejora de la condición física a través de módulos electrónicos j uego basado en actividades (Improvement of physical fitness through electronic modules based on play activities): Article RETRACTED due to manipulation by the authors. Retos [Internet]. 2024 Sep. 1 [cited 2026 Jan. 12];58:445-9. Available from: http://207.180.252.49/index.php/retos/article/view/104189