Nkrumah-Boadu, B. ., P. O. . Junior, A. M. Adam, and V. . Adela. “Time-Frequency Connectedness Between Energy Commodities and the Influence of Uncertainty Measures”. International Journal of Management and Sustainability, vol. 12, no. 2, Feb. 2023, pp. 124-46, doi:10.18488/11.v12i2.3298.