The Role of Diplomacy in Building the International Systems: An Applied Study of the Role of Saudi Arabia in the G20 . Interdisciplinary Journal of Humanities, Media, and Political Science, [S. l.], v. 3, n. 1, 2026. DOI: 10.56830/IJHMPS06202603. Disponível em: https://journals.scipubhouse.com/IJHMPS/article/view/335. Acesso em: 18 aug. 2026.