HAMED ALI, A.; RIYAD FAISAL, O. The Geographic Foundations of American Soft Power. College of Basic Education Research Journal, [S. l.], v. 17, n. 4, p. 818–849, 2021. DOI: 10.33899/berj.2022.170321. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/37873. Acesso em: 26 oct. 2025.