%0 Journal Article %A Rostampour, Shahram, Iranzadeh, soleyman, Feghhi farahmand, Naser %T Combined optimization of the bi-level supply chain of closed loop in uncertainty conditions %J Future study Management %V 30 %N 118 %P 93-112 %D 2019 %R %U https://sanad.iau.ir/fa/Article/784254