The Role of Strategic Leadership in Achieving Competitive Advantage in The Communications Sector of Capital Sana’a secretariat. Sana’a University Journal of Human Sciences, [S. l.], v. 5, n. 1, p. 226–253, 2026. DOI: 10.59628/jhs.v5i1.1934. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/1934. Acesso em: 16 jul. 2026.