%0 Journal Article %A Keikha- Javan, S., Rostamy-Malkhalifeh, M. %T EFFICIENCY MEASUREMENT OF NDEA WITH INTERVAL DATA %J International Journal of Mathematical Modeling & Computations %V 6 %N 3 %P 199-210 %D 2016 %R %U https://sanad.iau.ir/fa/Article/1081525