Mchirgui, D., Digheem, M. A. S., & Adwela, F. S. (2025). Connectedness between Bitcoin, Gold, Gold-Backed Cryptocurrencies and Energy Commodities during the COVID-19 Pandemic and the Russia-Ukraine Conflict. International Journal of Energy Economics and Policy, 15(3), 411–425. https://doi.org/10.32479/ijeep.18500