Satriani, S., R. Nur, S. Ammade, A. Latifa, and S. Hajar Larekeng. “Leveling Up English Writing Skill: The Role of Gamification in Language Education”. ELS Journal on Interdisciplinary Studies in Humanities, vol. 7, no. 3, Sept. 2024, pp. 383-91, doi:10.34050/elsjish.v7i3.36325.