Trade Exchange of the Republic of Yemen with the GCC States and its Impact on Yemen’s Balance of Trade. Humanities and Educational Sciences Journal, [S. l.], n. 3, p. 119–138, 2018. DOI: 10.55074/hesj.v0i3.20. Disponível em: http://hesj.org/ojs/index.php/hesj/article/view/20. Acesso em: 25 jun. 2026.