Douch, Mohamed, and Binyam Solomon. “A Dynamic Panel Analysis Using SIPRI’s Extended Military Expenditure Data: The Case of Middle Power Nations”. The Economics of Peace and Security Journal 11, no. 2 (October 1, 2016). Accessed May 2, 2024. https://www.epsjournal.org.uk/index.php/EPSJ/article/view/246.