Hammoud Al-Tamimi, S. 2000. Phonetics of Sybawayhi by: The German Qrientalist- Artor Shada (1883-1902. Adab Al-Rafidayn. 40, 58 (Jan. 2000), 1–69. DOI:https://doi.org/10.33899/radab.2010.30260.