LEI, Ziyao. Portfolio Optimization among Luxury Goods, New Energy, Web 3.0 Industries and Gold. BCP Business & Management, [S. l.], v. 35, p. 709–715, 2022. DOI: 10.54691/bcpbm.v35i.3374. Disponível em: https://bcpublication.org/index.php/BM/article/view/3374. Acesso em: 21 jun. 2026.