PURWANTO, M. B. Managerial Principal in Improving the Quality of Teacher Administration. SILABUS : Jurnal Pendidikan Indonesia, [S. l.], v. 1, n. 1, p. 47–56, 2024. DOI: 10.61930/silabus.v1i1.48. Disponível em: https://jurnal.sitasi.id/silabus/article/view/48. Acesso em: 10 nov. 2025.