MUTIARA, G. Educational Supervision as Improving the Quality of Learning in Schools: Systematic Literature Review. PPSDP International Journal of Education, [S. l.], v. 4, n. 2, p. 722–739, 2025. DOI: 10.59175/pijed.v4i2.568. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/568. Acesso em: 31 jul. 2026.