Rezikna, Nadrun Nadrun, Wahyudin Wahyudin, and Mukrim Mukrim. “ STUDENTS’ PERCEPTION OF THE USE OF DUOLINGO APPLICATION IN LEARNING GRAMMAR”. e-Journal of ELTS (English Language Teaching Society) 11, no. 3 (April 20, 2025): 569-578. Accessed June 22, 2025. https://jurnalfkipuntad.com/index.php/elts/article/view/4422.