Haryati H, Al Faraby MZ. Using a Digital Flashcard Application to Improve Vocabulary Mastery among Elementary EFL Learners . VELES [Internet]. 2026 Jan. 1 [cited 2026 Jan. 1];9(3):638-52. Available from: https://e-journal.hamzanwadi.ac.id/index.php/veles/article/view/31555