![Application of optimization methods in the closed-loop supply chain: a literature review | Journal of Combinatorial Optimization Application of optimization methods in the closed-loop supply chain: a literature review | Journal of Combinatorial Optimization](https://media.springernature.com/m685/springer-static/image/art%3A10.1007%2Fs10878-020-00677-y/MediaObjects/10878_2020_677_Fig1_HTML.png)
Application of optimization methods in the closed-loop supply chain: a literature review | Journal of Combinatorial Optimization
![Systems | Free Full-Text | Multi-Objective Sustainable Closed-Loop Supply Chain Network Design Considering Multiple Products with Different Quality Levels Systems | Free Full-Text | Multi-Objective Sustainable Closed-Loop Supply Chain Network Design Considering Multiple Products with Different Quality Levels](https://www.mdpi.com/systems/systems-10-00094/article_deploy/html/images/systems-10-00094-g001.png)
Systems | Free Full-Text | Multi-Objective Sustainable Closed-Loop Supply Chain Network Design Considering Multiple Products with Different Quality Levels
![Sustainability | Free Full-Text | Fuzzy Bi-Objective Closed-Loop Supply Chain Network Design Problem with Multiple Recovery Options Sustainability | Free Full-Text | Fuzzy Bi-Objective Closed-Loop Supply Chain Network Design Problem with Multiple Recovery Options](https://www.mdpi.com/sustainability/sustainability-12-06770/article_deploy/html/images/sustainability-12-06770-g001.png)