VICTORIZAL, Victorizal; SOMANTRI, Manap; SYAFRYADIN, Syafryadin; KHAIRI, Azizatul. Principal Leadership in Developing Administrative Staff Competence: A Case Study of the Center of Excellence Vocational School. Tadbir : Jurnal Studi Manajemen Pendidikan, [S. l.], v. 10, n. 1, p. 67–94, 2026. DOI: 10.29240/jsmp.v10i1.14503. Disponível em: https://journal.iaincurup.ac.id/index.php/JSMPI/article/view/14503. Acesso em: 28 feb. 2026.