Rosy Starrinne A, Kholid MF. Using Smule Applications to Improve Students’ Pronunciation at Eighth Grade of SMP Muhammadiyah 12 Paciran. retco [Internet]. 2022 Dec. 29 [cited 2025 Apr. 28];7(1):71-7. Available from: http://prosiding.unirow.ac.id/index.php/retco/article/view/1723