Saddam Saad , R. H. and Dawud Salman, P. D. layth (2025) “Interrogative Words: Types and Usage at Al-Rummani’s Explanation of Sibawayh Book”, Basra studies journal, 1(61 البصرة), pp. 53–90. Available at: https://bsj.uobasrah.edu.iq/index.php/bsj/article/view/334 (Accessed: 26 November 2025).