Putri Intan Permata, Agustin, Yudhi Arifani, and Slamet Asari. “Gamification in a Flipped Classroom Using Articulate Storyline for Junior High School Students’ Vocabulary Mastery”. JEELS (Journal of English Education and Linguistics Studies) 12, no. 1 (December 26, 2024): 51–80. Accessed September 19, 2026. https://jurnalfaktarbiyah.iainkediri.ac.id/index.php/jeels/article/view/3803.