Dwiyani, Nurindah, and Yasdinul Huda. “Android Application for Testing English Proficiency”. Jurnal Teknologi Informasi dan Pendidikan 16, no. 1 (May 22, 2023): 1-13. Accessed November 21, 2024. http://tip.ppj.unp.ac.id/index.php/tip/article/view/704.