Yani Lubis, Putri Afsila Balqis Br Barus, and Aulia Rahma. “ANALYSIS OF COMMON ERRORS OF ENGLISH LEARNERS IN PRONOUNCING VOWEL SOUNDS”. Jurnal Publikasi Manajemen Informatika 4, no. 1 (January 1, 2025): 145–154. Accessed February 23, 2025. https://ejurnal.stie-trianandra.ac.id/index.php/jupumi/article/view/3652.