LIAO, Xuanting. Case Analysis for Henan Yuguang Gold & Lead Co Ltd. of Hedging by Option. BCP Business & Management, [S. l.], v. 35, p. 152–156, 2022. DOI: 10.54691/bcpbm.v35i.3245. Disponível em: https://bcpublication.org/index.php/BM/article/view/3245. Acesso em: 15 aug. 2026.