%0 Journal Article %A Lashgari, Mohsen %A Sadjadi, Seyed Jafar %A Taleizadeh, Ata Allah %A Heydari, Mahdi %T Building a sustainability in a two-echelon closed loop supply chains: a mathematical approach for permissible delay in payment and backlogging %J RAIRO. Operations Research %D 2022 %P 4145-4180 %V 56 %N 6 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2022127/ %R 10.1051/ro/2022127 %G en %F RO_2022__56_6_4145_0