Rafi’i, Muhammad Kholid, and Abdul Rosyid Teguhdin Hamid. “The Evolution of Islamic Educational Institutions from the Classical to the Modern Era: A Historical Analysis of the Transformation of the Islamic Education System”. Golden Ratio of Data in Summary, vol. 6, no. 4, Aug. 2026, pp. 421-8, doi:10.52970/grdis.v6i4.2512.