SIREGAR, Christina Anita Elizabeth; SIAHAAN , Sanggam; FUKADA, Herman. The Effect Of Whatsapp Teaching Media To The Reading Comprehension On A Narrative Text At SMP Negeri 4 Pematangsiantar. Innovative: Journal Of Social Science Research, [S. l.], v. 4, n. 5, p. 2086–2099, 2024. DOI: 10.31004/innovative.v4i5.15208. Disponível em: https://j-innovative.org/index.php/Innovative/article/view/15208. Acesso em: 16 may. 2026.