Kafi, A., B. Daneshian, M. Rostamy-Malkhalifeh, and M. Rostamy-Malkhalifeh. “Forecast of the Efficiency Confidence Interval of Decision-Making Units in Data Envelopment Analysis”. Nexo Scientific Journal, vol. 33, no. 02, Dec. 2020, pp. 431-45, doi:10.5377/nexo.v33i02.10782.