AL-KHAYYAT, Mohammed Ahmed. Higher Education Institutions in the Republic of Yemen and the Quality of Education They Provide. Queen Arwa University Journal, [S. l.], v. 1, n. 1, p. 35, 2005. DOI: 10.58963/qausrj.v1i1.7. Disponível em: https://journal.qau.edu.ye/index.php/srj/article/view/7. Acesso em: 9 jan. 2026.