SARI, N. N. Managerial Supervision and Performance of School/Madrasah Principals in Improving Education Quality. PPSDP International Journal of Education, [S. l.], v. 2, n. 2, p. 338–351, 2023. DOI: 10.59175/pijed.v2i2.134. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/134. Acesso em: 13 aug. 2026.