Yudantoro, T., Prayitno, P., Suyanto, B., Handoko, S. and Sulistiyo, W. (2018) “SISTEM INFORMASI VIRTUAL ASSISTANT KEGIATAN PERKULIAHAN DOSEN DAN MAHASISWA”, SINTAK, 2. Available at: https://unisbank.ac.id/ojs/index.php/sintak/article/view/6603 (Accessed: 25November2020).