Economic Diversification in the Gulf Countries: Challenges and Future Prospects . مجلة الواحات للبحوث والدراسات, [S. l.], v. 18, n. 2, 2026. Disponível em: https://journals.univ-ghardaia.edu.dz/elwahat/article/view/1965. Acesso em: 22 أغسطس. 2026.