QIU, Congtong. The Optimization and Empirical Study of Stock Excess Return. BCP Business & Management, [S. l.], v. 23, p. 25–33, 2022. DOI: 10.54691/bcpbm.v23i.1332. Disponível em: https://bcpublication.org/index.php/BM/article/view/1332. Acesso em: 7 jun. 2026.