Sofian M, Ilham I, Bafadal MF. Students Perception of Using the Duolingo Application in Mastering English Language Skills in an English Study Program . E-CLUE [Internet]. 2025Aug.1 [cited 2025Sep.29];13(2):183-98. Available from: http://ejurnal.unima.ac.id/index.php/e-clue/article/view/11734