The role of strategic direction in achieving competitive advantage : A field study in Yemeni private universities. Sana’a University Journal of Human Sciences, [S. l.], v. 2, n. 1, p. 619–646, 2024. DOI: 10.59628/jhs.v2i1.819. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/819. Acesso em: 14 jul. 2026.