Ulya, Elma Ziyadatil, Nadiah Ma'mun, and Nuna Mustikawati Dewi. “Students’ Perceptions of Vocabulary Recall and Engagement in Wordwall-Based Gamified Learning”. Celtic : A Journal of Culture, English Language Teaching, Literature and Linguistics 12, no. 2 (December 14, 2025): 972–989. Accessed June 6, 2026. https://ejournal.umm.ac.id/index.php/celtic/article/view/42806.