ZULPINA, Z.; ZAKY MAWARDIE, M. CALIPH HARUN AL RASHID’S POLICY ON ARABIC LANGUAGE DEVELOPMENT DURING THE ABBASID PERIOD. Jurnal Al-Hibru, [S. l.], v. 1, n. 2, p. 31–42, 2024. DOI: 10.59548/hbr.v1i2.259. Disponível em: https://journal.yayasanhaiahnusratulislam.or.id/index.php/alhibru/article/view/259. Acesso em: 6 may. 2026.