Sari, Oktavia Permata, and Luqman Al Hakim. 2023. “THE RELATIONSHIP BETWEEN STUDENTS’ GRAMMAR MASTERY AND WRITING ABILITY ON THE TENTH GRADE STUDENTS OF SMK WIJAYA KUSUMA SURAKARTA”. English Research Journal : Journal of Education, Language, Literature, Arts and Culture 6 (2). https://ejurnal.unisri.ac.id/index.php/engj/article/view/6483.