Erizara, Betri Virga, and Suciana Wijirahayu. “The Exploration of Duolingo Application for Vocabulary Building and Pronunciation of Pre-Service Teachers”. Scripta : English Department Journal 11, no. 1 (June 30, 2024): 95-105. Accessed November 2, 2024. https://jurnal.umpwr.ac.id/index.php/scripta/article/view/5081.