Simatupang AL, Lestari FD, Simarmata RO. An Analysis of Students’ Ability and Difficulties to Use Auxiliary Verbs in Writing Descriptive Text at First Grade Vacational High School Parulian 3 Medan. JKIP [Internet]. 2024Nov.24 [cited 2025Jul.18];5(3):564-77. Available from: http://www.journal.al-matani.com/index.php/jkip/article/view/1074