Pengembangan Aplikasi E-Learning Edu IT : Pembuatan Aplikasi Ujian Essay Online serta Upload Download Materi Kuliah. JTIIK [Internet]. 2021 Oct. 21 [cited 2024 May 2];8(5):1003-12. Available from: https://jtiik.ub.ac.id/index.php/jtiik/article/view/5463