Qabhobho, Thobekile, Emmanuel Asafo-Adjei, Peterson Owusu Junior, and Anokye M. Adam. “Quantifying Information Transfer Between Commodities and Implied Volatilities in the Energy Markets: A Multi-Frequency Approach”. International Journal of Energy Economics and Policy 12, no. 5 (September 27, 2022): 472–481. Accessed May 3, 2024. https://www.econjournals.com/index.php/ijeep/article/view/13403.