NURZAIMA, N.; NURSALAM, N.; MAWARDI, A. The Role of Principals in Improving the Professional Competence of Teachers. PPSDP International Journal of Education, [S. l.], v. 4, n. 2, p. 616–633, 2025. DOI: 10.59175/pijed.v4i2.769. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/769. Acesso em: 10 jul. 2026.