ALKHALED, Mohamad. The Kafala Sponsorship System in the GCC Countries A Comparative Study Among the GCC Countries. Pécsi Munkajogi Közlemények, [S. l.], v. 14, n. 1-2, p. 62–74, 2023. Disponível em: https://journals.lib.pte.hu.testing.qulto.eu/index.php/pm/article/view/6164. Acesso em: 18 dec. 2025.