CHEN, Xiaoci; HUO, Guanyu; CAO, Gaojie. Analysis of linkage fluctuation in time series data of nickel futures price index. Journal of Business Economics and Management, [S. l.], v. 24, n. 4, p. 712–731, 2023. DOI: 10.3846/jbem.2023.20191. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/20191. Acesso em: 15 may. 2025.