Pengembangan Media Pembelajaran Booklet Pada Materi Menulis Surat Pribadi Berbasi Direct Instruction di SMP Negeri 2 Gunungsitoli. Indo-MathEdu Intellectuals Journal, [S. l.], v. 4, n. 2, p. 564–571, 2023. DOI: 10.54373/imeij.v4i2.214. Disponível em: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/214. Acesso em: 20 jun. 2026.