Phuong, Nguyen Thi Thuy, Vu Thanh Nhan, and Van Thanh Phan. “An Improved the Prediction Accuracy of the Nonlinear Grey Bernoulli Model by Fourier Series and Its Application in Container Throughput Forecasting in Danang Port”. Archives of Business Research 12, no. 12 (December 9, 2024): 01–12. Accessed December 23, 2024. http://116.203.177.230/index.php/ABR/article/view/17968.