1.
Syaripah S, Nurrahman R, Amelia JR, Situmorang C. Using Duolingo Helps Improve English Vocabulary. Joecy Journal [Internet]. 2026 Feb. 4 [cited 2026 Nov. 7];6(1):7876-81. Available from: https://joecy.org/index.php/joecy/article/view/6177