The impact of strategic planning on achieving the competitive advantage A field study in Yemeni civil universities: . Sana’a University Journal of Human Sciences, [S. l.], v. 4, n. 10, p. 24–52, 2025. DOI: 10.59628/jhs.v4i10.1659. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/1659. Acesso em: 24 jun. 2026.