“ONE OF THE MANIFESTATIONS OF LINGUISTIC PLANNING IN THE ARAB HERITAGE FROM THE CALIPHATE OF UMAR IBN AL-KHATTABUNTIL THE CALIPHATE OF AL-MA’MUN IBN HARUN AL-RASHID (13 AH to 218 AH)”, AQUJALL, vol. 1, no. 1, pp. 159–198, Dec. 2022, doi: 10.52747/aqujall.1.1.159.