MIGHRI, Z.; ALSAGGAF, M. I. Volatility Spillovers among the Cryptocurrency Time Series. International Journal of Economics and Financial Issues, [S. l.], v. 9, n. 3, p. 81–90, 2019. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/7383. Acesso em: 26 may. 2022.