Hasbullah H, Mohd Yusof S, Yaumi M, Babikkoi A. Improving Vocabulary Using a Computer-based Flashcard Program. IJoASER [Internet]. 31Mar.2018 [cited 20Nov.2025];1(1):31-6. Available from: http://ojs.staialfurqan.ac.id/IJoASER/article/view/4