Nababan R, Tarigan Y, Br Ginting EG, Tarigan NWP. An ANALYSIS OF GRAMMATICAL ERRORS IN WRITING NARRATIVE TEXT B: AN ANALYSIS OF GRAMMATICAL ERRORS IN WRITING NARRATIVE TEXT BY STUDENTS GRADE EIGHT AT SMP SWASTA VALENTINE DELI SERDANG. ELT [Internet]. 2021Jun.10 [cited 2024Nov.23];3(1):1-15. Available from: https://jurnal.unprimdn.ac.id/index.php/ELTP/article/view/1731