fig4
![Perspectives on future research directions in green manufacturing for discrete products](https://image.oaes.cc/04a22e41-2a17-4c5f-abe3-cdad332fcc17/5580.fig.4.jpg)
Figure 4. Complex interactions of supply chain multi-objective optimization are shown here. System parameters within supply networks are characterized by topological, economic, environmental, and social features that are dynamic and usually incomparable. Figure adapted from Khoo et al.[83] with permission from Elsevier.