Marfuah, I. S., N. Susanti, and S. Supriyono. “Sistem Informasi Manajemen Laboratorium Teknik Mesin (Studi Kasus: Universitas Muria Kudus Dengan Notifikasi Whatsapp)”. Journal of Information Technology Ampera, vol. 2, no. 3, Dec. 2021, pp. 167-79, https://mail.journal-computing.org/index.php/journal-ita/article/view/95.