التركي ع. and Yusuf Mai, M. 2025. The Relationship Between Grammar Mastery and the Quality of Expressive Writing Among Eleventh-Grade Students in the Sultanate of Oman. Ibn Khaldoun Journal for Studies and Researches. 5, 2 (Feb. 2025). DOI:https://doi.org/10.56989/benkj.v5i2.1372.