Muhammad Arfan. “Model Implementasi Centralized Authentication Service Pada Sistem Software As A Service”. Jurnal Nasional Teknik Elektro dan Teknologi Informasi 3, no. 1 (1): 13-17. Diakses Mei 19, 2024. https://jurnal.ugm.ac.id/v3/JNTETI/article/view/3095.