GAO, Yihan. Study on the Volatility of New Energy Index Based on ARMA-GARCH Model. International Journal of Computer Science and Information Technology, U.K., v. 4, n. 3, p. 342–349, 2024. DOI: 10.62051/ijcsit.v4n3.37. Disponível em: https://wepub.org/index.php/IJCSIT/article/view/4903. Acesso em: 16 may. 2026.