SETIAWAN, Usep; DRAJAT, Drajat; HERMAWAN, Agus; SAODIH, Cahya. School Principal Program as a Manager in Improving the Quality of Education. International Journal of Educational Research & Social Sciences , [S. l.], v. 3, n. 6, p. 2265–2271, 2022. DOI: 10.51601/ijersc.v3i6.551. Disponível em: https://ijersc.org/index.php/go/article/view/551. Acesso em: 13 jan. 2026.