Cassandra, Cadelina. “Pengembangan Model Sistem Informasi Aplikasi Helpdesk Online PT. Mustika Memadata”. ComTech: Computer, Mathematics and Engineering Applications 6, no. 2 (June 1, 2015): 173-184. Accessed March 27, 2025. https://journal.binus.ac.id/index.php/comtech/article/view/2262.