The Role of the Principal as an Education Supervisor in Improving Teacher Professional Competence at SMP Quran Darul Fattah Bandar Lampung. El-Idare: Jurnal Manajemen Pendidikan Islam, [S. l.], v. 9, n. 2, p. 11–21, 2023. DOI: 10.19109/elidare.v9i2.18884. Disponível em: https://jurnal.radenfatah.ac.id/index.php/El-idare/article/view/18884.. Acesso em: 25 jun. 2024.