“An Analysis of Students’ Ability and Difficulties to Use Auxiliary Verbs in Writing Descriptive Text at First Grade Vacational High School Parulian 3 Medan”. Jurnal Kajian Ilmu Pendidikan (JKIP) 5, no. 3 (November 24, 2024): 564–577. Accessed July 30, 2026. https://journal.al-matani.com/index.php/jkip/article/view/1074.