GAO, Zitai. Research on the Price Fluctuation Characteristics and Influencing Factors of Manganese Silicon Futures in China Based on the ARMA-GARCH Model and VAR Model: An exploration of the Zhengzhou Commodity Exchange in China. International Journal of Global Economics and Management, London, U.K., v. 5, n. 3, p. 71–81, 2024. DOI: 10.62051/ijgem.v5n3.09. Disponível em: https://wepub.org/index.php/IJGEM/article/view/4951. Acesso em: 18 sep. 2026.