Wanchao Wang, Guanlin Li, Jiaxing Shi, Liang Chen, Shizhong Shan, Liqun Wang. “"Maritime Silk Road" Freight Rate Index Forecast Based on ARIMA Model”. Forest Chemicals Review, Apr. 2022, pp. 1199 -, http://forestchemicalsreview.com/index.php/JFCR/article/view/791.