AL-OBAIDI, Faiq Juma Hamza. Tourism investment in Yemen, reality and future. Queen Arwa University Journal, [S. l.], v. 4, n. 4, p. 36, 2009. DOI: 10.58963/qausrj.v1i4.95. Disponível em: https://journal.qau.edu.ye/index.php/srj/article/view/95. Acesso em: 11 sep. 2025.