Mohamad Mahamood, dr. “The Role of Knowledge Economy in Attracting Foreign Direct Investment A Comparative Study for the First Ten Countries Of the Continents of the World”. TANMIYAT AL-RAFIDAIN 36, no. 116 (June 1, 2014): 51–70. Accessed September 10, 2025. https://edusj.uomosul.edu.iq/index.php/tanmiyat/article/view/29845.