1.
Setyadharma VPP, Iryanti E, Hidayatulloh I, Nugraha NAS. Designing of english challenge mobile game application as the media of english language learning. JEATech [Internet]. 2020 Oct. 14 [cited 2025 May 12];1(1). Available from: https://journal.uny.ac.id/index.php/jeatech/article/view/34756