Setiyono, M. S. “USING INTERNATIONAL PHONETIC ALPHABET (IPA) IN TEACHING PRONUNCIATION: LINGUISTICS IN PRESENT CENTURY”. International Journal of English Linguistics, Literature, and Education (IJELLE), vol. 1, no. 1, June 2019, pp. 25-30, http://journal.univetbantara.ac.id/index.php/ijelle/article/view/353.