ZHAO, Yuhan; LU, Zeheng. The Risk of Hedging Management based on Case of Tsingshan Holding Group Co. Frontiers in Economics and Management, [S. l.], v. 6, n. 4, p. 228–235, 2025. DOI: 10.6981/FEM.202504_6(4).0024. Disponível em: https://bcpublication.org/index.php/FEM/article/view/8448. Acesso em: 17 apr. 2026.