Soleimani, Daryoush, Mansoor Maitah, Karel Malec, and Sylvie Kobzev Kotásková. 2016. “Foreign Direct Investments and Gross Domestic Product Development in USA, European Union and China (1995-2014)”. International Journal of Economics and Financial Issues 6 (3):978-84. https://econjournals.net.tr/index.php/ijefi/article/view/2038.