راضي أ.م.د.سمير جسام; هاشم أ.م.نوار جليل. Polar structure in the international system. Political Sciences Journal, Baghdad, Iraq, n. 52, p. 47–64, 2019. DOI: 10.30907/jj.v0i52.65. Disponível em: https://jcopolicy.uobaghdad.edu.iq/index.php/jcopolicy/article/view/65.. Acesso em: 25 nov. 2024.