SHAHER, Hamza M. Investment guarantees and advantages and their impact on the country’s economy: (Applied study on the Republic of Yemen). Queen Arwa University Journal, [S. l.], v. 22, n. 22, p. 23, 2019. DOI: 10.58963/qausrj.v1i22.137. Disponível em: https://journal.qau.edu.ye/index.php/srj/article/view/137. Acesso em: 10 sep. 2025.