An Analysis Of Grammatical Error In Writing Narrative Text At XI Grade Students Of SMA Negeri 5 Pematang Siantar. jbl [Internet]. 30 April 2024 [dikutip 1 November 2025];6(1):56 – 67. Tersedia pada: https://jurnal.usi.ac.id/index.php/jbl/article/view/1053