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, فلسطين, v. 5, n. 2, 2025. DOI: 10.56989/benkj.v5i2.1372. Disponível em: https://www.benkjournal.com/index.php/benkj/article/view/1372. Acesso em: 31 mar. 2026.