I. Irwanto, D. . Wahyudiati, A. D. . Saputro, and S. D. . Laksana, “Research Trends and Applications of Gamification in Higher Education: A Bibliometric Analysis Spanning 2013–2022”, Int. J. Emerg. Technol. Learn., vol. 18, no. 05, pp. pp. 19–41, Mar. 2023.