WEI, Zhengle. Analysis of the Impact of off Exchange Derivatives Trading on Capital Market Efficiency Improvement. European Journal of Business, Economics & Management, [S. l.], v. 1, n. 4, p. 131–138, 2025. DOI: 10.71222/554vfe24. Disponível em: https://pinnaclepubs.com/index.php/EJBEM/article/view/361. Acesso em: 22 nov. 2025.