HARIKRISHNAN, V. Impact of High-Frequency Volatility Co-Movements in Cryptocurrency Markets. European Economic Letters (EEL), [S. l.], v. 13, n. 3, p. 1113–1130, 2023. Disponível em: https://www.eelet.org.uk/index.php/journal/article/view/403. Acesso em: 7 oct. 2025.