Bella, Ivvon Septina, and Noviyanti Noviyanti. “Peningkatan Kompetensi Pronunciation Menggunakan Pro Power One”. Lentera : Jurnal Ilmiah Sains, Teknologi, Ekonomi, Sosial, dan Budaya 7, no. 2 (July 17, 2023). Accessed July 4, 2024. http://jfkip.umuslim.ac.id/index.php/ltr2/article/view/2067.