Retnomurti AB, Hendrawaty N, Tiwiyanti L. DEVELOPMENT OF ANDROID-BASED PROTADROID APPLICATION IN PRONUNCIATION PRACTICE LEARNING FOR UNDERGRADUATE STUDENTS. ERJEE [Internet]. 2019Jun.2 [cited 2025Apr.16];7(2):67-6. Available from: https://journal.uniku.ac.id/index.php/ERJEE/article/view/1721