GUNARTI, G.; HIDAYAT, S.; RISDIANTO, E.; RATNAYA, I. G. The Influence of the Principal’s Academic Supervision and the Work Ethic of Teachers on Educational Quality. PPSDP International Journal of Education, [S. l.], v. 1, n. 2, p. 272–278, 2022. DOI: 10.59175/pijed.v1i2.24. Disponível em: https://ejournal.ppsdp.org/index.php/pijed/article/view/24. Acesso em: 10 jul. 2026.