Jokar, Faezeh, and Abdollah Hadi Vencheh. “A Glimpse of Input Congestion Methods in Data Envelopment Analysis”. Journal of Intelligent Decision and Computational Modelling 1, no. 2 (June 16, 2025): 107–137. Accessed October 4, 2025. http://www.jidcm.reapress.com/journal/article/view/68.