Annisa Sevia Putri, Melinda Nata Sari, Rizka Dwi Fani, Sylfana Ryan Mulia, & Supriadi. (2023). Analysis of Vowel Pronunciation Errors of Grade IX Students of MTs Harapan Jasa Langkat. Journal of Applied Linguistics, 2(2), 36–40. https://doi.org/10.52622/joal.v3i1.125