“Analysis of the Causal Relationship Long-and Short-Term Between the Price of Crude Oil, the Global Price of Gold and the US. Dollar Exchange Rate”. Journal of Economics and Administrative Sciences 20, no. 75 (February 1, 2014): 332. Accessed May 15, 2024. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/575.