AZHARI PANJAITAN; MUHAMMAD RIFA’I. Peran Kepala Tata Usaha Dalam Meningkatkan Efisiensi Administrasi Sekolah Di Madrasah Aliyah Laboratorium Uinsu Medan. Jurnal Ragam Pengabdian, [S. l.], v. 3, n. 1 (Spesial Issue), p. 94–101, 2026. DOI: 10.62710/1d3x7g46. Disponível em: https://teewanjournal.com/index.php/juragan/article/view/2448.. Acesso em: 15 oct. 2026.