TUFFAHATI, J.; HADI, F.; ISNAINI, I.; ARIESKY, R. Z.; DARMANSAH, T. PERAN PETUGAS TATA USAHA DALAM MENJAGA KUALITAS MANAJEMEN PERSURATAN DI SMP MUHAMMADIYAH 57 MEDAN. Cemara Education and Science, [S. l.], v. 2, n. 2, 2024. DOI: 10.62145/ces.v2i2.99. Disponível em: https://cemarajournal.com/journal/index.php/ces/article/view/99. Acesso em: 24 jun. 2026.