Yana, Dewi. “Applying Duolingo As English Learning Media: How Do Students Perceive It? ”. International Journal of Language Pedagogy 1, no. 2 (December 15, 2023): 62–66. Accessed November 21, 2024. https://ijolp.ppj.unp.ac.id/index.php/ijolp/article/view/7.