PRUCHNICKA-GRABIAS, I. The Relationship between Gold and Brent Crude Oil Prices: An Unrestricted Vector Autoregression Approach. International Journal of Energy Economics and Policy, [S. l.], v. 11, n. 4, p. 276–282, 2021. Disponível em: https://www.econjournals.com/index.php/ijeep/article/view/11229. Acesso em: 19 apr. 2024.