FIKRIAH, A. Z.; HARAHAP, A.; SIREGAR, M.; JUNITA, J.; ARDANSYAH, M. The influence of principals’ visionary leadership and affective commitment on principal performance in senior high schools and vocational high schools in South Labuhanbatu Regency. Indonesian Journal Education, [S. l.], v. 5, n. 2, p. 273–278, 2026. DOI: 10.56495/ije.v5i2.1660. Disponível em: https://jurnal.larisma.or.id/index.php/IJE/article/view/1660. Acesso em: 10 jul. 2026.