The Impact of Security Obstacles on Tourism in Yemen from 1990 to 2023. Sana’a University Journal of Human Sciences, [S. l.], v. 4, n. 5, p. 216–236, 2025. DOI: 10.59628/jhs.v4i5.1537. Disponível em: https://journals.su.edu.ye/index.php/jhs/article/view/1537. Acesso em: 19 jun. 2026.