FX. Sugiyanto, Sutaryat Trisnamansyah, Yosal Iriantara, and Faiz Karim Fathullah. “Implementation of Internal Quality Assurance System Private College to Improve the Quality of Graduates in The Era of the Industrial Revolution 4.0”. Journal of Islamicate Studies 4, no. 2 (December 13, 2021): 83–93. Accessed April 17, 2026. http://www.journal.islamicateinstitute.co.id/index.php/jois/article/view/735.