T. Khoirunnisa.YL, Winda Khofifah and Yani Lubis (2023) “Teori Phonology English Vowels”, CENDEKIA: Jurnal Ilmu Sosial, Bahasa dan Pendidikan, 3(3), pp. 15–24. doi: 10.55606/cendikia.v3i3.1374.