Bouras, Hela, and Bechir Raggad. “Foreign Direct Investment and Exports: Complementarity or Substitutability An Empirical Investigation”. International Journal of Economics and Financial Issues 5, no. 4 (October 16, 2015): 933–941. Accessed April 26, 2024. https://www.econjournals.com/index.php/ijefi/article/view/1372.