Diyan Andriani, Rizal Fadli, Awatif Awatif, Sukur Sukur, Ifrianto Ifrianto. Error in Pronouncing English Diphthongs at The First Grade of Merangin University Students. simpati [Internet]. 2026 Oct. 26 [cited 2026 Oct. 30];4(4):221-32. Available from: https://jurnal.alimspublishing.co.id/index.php/simpati/article/view/2692