Dwi Yulianti, Qoeddri Farhansyah, and Yani Lubis. “THE ANALYSIS OF ENGLISH EDUCATION STUDENTS’ DIFFICULTIES IN PRONOUNCING ENGLISH VOWELS”. Cemara Education and Science 2, no. 2 (May 31, 2024). Accessed June 24, 2026. https://cemarajournal.com/journal/index.php/ces/article/view/95.