الخصاونة فؤاد شبيب. Professional Development for Public School Principals in the Light of Knowledge Society Requirements in Najran. Humanities and Educational Sciences Journal, [S. l.], v. 1, n. 7, p. 24–49, 2019. DOI: 10.55074/hesj.v1i7.65. Disponível em: https://hesj.org/ojs/index.php/hesj/article/view/65. Acesso em: 22 sep. 2026.