Purba E, Tarigan KE, Ginting FYA. THE ELEVENTH GRADE STUDENTS’ ABILITY IN USING DEMONSTRATIVE PRONOUNS AT SMA SWASTA BINA GUNA TANAH JAWA SIANTAR IN THE ACADEMIC YEAR OF 2021/2022. KAIROS [Internet]. 2022Feb.26 [cited 2024Jul.22];5(3):158-71. Available from: https://ejournal.ust.ac.id/index.php/KAIROS/article/view/1746