Hutasoit F, Ginting FYA. THE ELEVENTH GRADE STUDENTS’ ABILITY IN USING QUESTION TAG IN SMA NEGERI 1 LINTONG NIHUTA. KAIROS [Internet]. 2021Sep.28 [cited 2024Dec.4];5(1):1-13. Available from: https://ejournal.ust.ac.id/index.php/KAIROS/article/view/1440