MIGHRI, Zouheir Ahmed; AL SAGGAF, Majid Ibrahim. Gold - Silver Nexus: A Threshold Cointegration Approach. International Journal of Economics and Financial Issues, [S. l.], v. 8, n. 5, p. 210–219, 2018. Disponível em: https://econjournals.com.tr/index.php/ijefi/article/view/6838. Acesso em: 5 oct. 2024.