The role of administrative creativity in improving the performance of tourism establishments (an applied study of a sample tourism companies and agencies in the capital of Yemen). Sana’a University Journal of Human Sciences, [S. l.], v. 4, n. 4, p. 155 – 194, 2025. DOI: 10.59628/jhs.v4i4.1490. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/1490. Acesso em: 27 jun. 2026.