The impact of strategic vigilance in organizational excellence in the Yemeni telecom sector. Sana’a University Journal of Human Sciences, [S. l.], v. 2, n. 1, p. 597–618, 2024. DOI: 10.59628/jhs.v2i1.828. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/828. Acesso em: 14 apr. 2026.