HUTABARAT, Debora Sintiya; TAMPUBOLON, Sahlan; DWI LESTARI, Febrika. Analysis Grammatical Error Writing Narrative Made By The Ninth Grade Students Of SMP HKBP Sidorame. Innovative: Journal Of Social Science Research, [S. l.], v. 3, n. 6, p. 10019–10031, 2023. DOI: 10.31004/innovative.v3i6.7730. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/7730. Acesso em: 11 jun. 2026.