The reality of the performance of public school principals in the capital, Sana’a, in light of the knowledge economy. Sana’a University Journal of Human Sciences, [S. l.], v. 4, n. 9, p. 623–658, 2025. DOI: 10.59628/jhs.v4i9.1764. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/1764. Acesso em: 14 apr. 2026.