1.
Zebua BA, Lumban Raja V, Ginting FYA. THE ABILITY OF THE SECOND YEAR STUDENTS OF SMP KATOLIK TRISAKTI 1 MEDAN IN USING VERB BE. KAIROS [Internet]. 2020 Jun. 16 [cited 2026 Aug. 14];1(3):86-102. Available from: https://ejournal.ust.ac.id/index.php/KAIROS/article/view/715