A. Dawood M, K. Najim H. A Systemic Approach to the Study of the Clause as Exchange in Information Questions in English And Arabic. RADAB [Internet]. 2007 Sep. 1 [cited 2025 Sep. 10];37(47):82-101. Available from: https://edusj.uomosul.edu.iq/index.php/radab/article/view/34004