Sari Mahibatus Saniyah. Duolingo and Learner Autonomy: Investigating The Role of Personalization and Gamification in Promoting Self-directed Language Learning. ENJEL [Internet]. 2023 Dec. 27 [cited 2024 May 10];2(02):141-7. Available from: http://jsr.unuha.ac.id/index.php/ENJEL/article/view/529