Saddam Saad , Researcher. Hana, and Prof. Dr. layth Dawud Salman. 2025. “Interrogative Words: Types and Usage at Al-Rummani’s Explanation of Sibawayh Book”. Basra Studies Journal 1 (61 البصرة):53-90. https://bsj.uobasrah.edu.iq/index.php/bsj/article/view/334.