Wey, Wann-Ming, and Jhong-You Huang. “The Application of Data Envelopment Analysis for Transportation Planning Based on the Viewpoint of Economic Efficiency”. Journal of Applied Business and Economics 20, no. 4 (August 1, 2018). Accessed July 22, 2024. https://articlegateway.com/index.php/JABE/article/view/348.