Masita Hamidiyah, Azzahra Natasya, Yani Lubis. The Importance Of English Vowel In English Linguistics For Literacy Study. Jurnal Pendidikan dan Sastra Inggris [Internet]. 2023 Aug. 30 [cited 2024 May 17];3(2):119-27. Available from: https://ejurnal.politeknikpratama.ac.id/index.php/JUPENSI/article/view/2008