Abed, Riadh El, and Abderrazek Ben Hamouda. “Time Frequency and Co-Movements Between Global Economic Policy Uncertainty, Precious Metals and Agricultural Prices: A Wavelet Coherence Analysis and Bootstrap Rolling Window Granger Causality”. International Journal of Energy Economics and Policy 14, no. 2 (March 15, 2024): 546–561. Accessed June 18, 2024. https://www.econjournals.com/index.php/ijeep/article/view/15259.