Tatari, Omer, Gokhan Egilmez, and Dhruva Kurmapu. “Socio-Eco-Efficiency Analysis of Highways: A Data Envelopment Analysis”. Journal of Civil Engineering and Management 22, no. 6 (June 8, 2016): 747-757. Accessed April 28, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/1868.