Setiyono, Mas Sulis. “USING INTERNATIONAL PHONETIC ALPHABET (IPA) IN TEACHING PRONUNCIATION: LINGUISTICS IN PRESENT CENTURY”. International Journal of English Linguistics, Literature, and Education (IJELLE) 1, no. 1 (June 30, 2019): 25–30. Accessed May 5, 2024. http://journal.univetbantara.ac.id/index.php/ijelle/article/view/353.