Karfindo, Karfindo, and Firlan Mustafa. “Pengembangan Aplikasi Computer Based Test (CBT) Untuk Sekolah Menengah Atas (SMA)”. Register 3, no. 1 (January 1, 2017): 42–48. Accessed April 29, 2024. https://journal.unipdu.ac.id/index.php/register/article/view/715.