tawfeeq, saif nussrat. “Analysis (Hans Morgenthau) to the Concept of Power and Applied to the Units of the International System”. Tikrit Journal For Political Science 1, no. 1 (December 31, 2014): 149–186. Accessed May 17, 2024. http://tjfps.tu.edu.iq/index.php/politic/article/view/9.