Zulpina, Zulpina, and Muhammad Zaky Mawardie. “CALIPH HARUN AL RASHID’S POLICY ON ARABIC LANGUAGE DEVELOPMENT DURING THE ABBASID PERIOD”. Jurnal Al-Hibru 1, no. 2 (August 31, 2024): 31–42. Accessed October 22, 2025. https://journal.yayasanhaiahnusratulislam.or.id/index.php/alhibru/article/view/259.