CHEN, Yating. A study of stock returns based on ARMA-GARCH model: Taking the CSI 300 Index as an example. BCP Business & Management, [S. l.], v. 33, p. 565–572, 2022. DOI: 10.54691/bcpbm.v33i.2841. Disponível em: https://bcpublication.org/index.php/BM/article/view/2841. Acesso em: 20 apr. 2026.