An Error Analysis of Students’ English Vowel Pronunciation at The Sixth Semester of Islamic Studies of International Class Program of State Islamic Institute (IAIN) of Samarinda. benjole [Internet]. 2021 Feb. 23 [cited 2026 Jul. 28];1(1):39-4. Available from: https://journal.uinsi.ac.id/index.php/bjle/article/view/3138