A. D. Samala, L. Bojic, D. Vergara-Rodríguez, B. Klimova, and F. Ranuharja, “Exploring the Impact of Gamification on 21st-Century Skills: Insights from DOTA 2”, Int. J. Interact. Mob. Technol., vol. 17, no. 18, pp. pp. 33–54, Sep. 2023.