Putri Intan Permata, Agustin, Yudhi Arifani, and Slamet Asari. 2024. “Gamification in a Flipped Classroom Using Articulate Storyline for Junior High School Students’ Vocabulary Mastery”. JEELS (Journal of English Education and Linguistics Studies) 12 (1):51-80. https://doi.org/10.30762/jeels.v11i2.3803.