“…From these greening concepts, the environmentally conscious practices, and the motive for organizational competitiveness, GSCM can be defined as follows: Figure 2 shows the green practices in a closed loop green supply chain. Supply chain players such as used parts warehouses/storages, waste collectors, recycle plants, final Waste water or water pollution [7,8,11,21,22,[24][25][26] Solid waste or hazardous materials [21,22,[27][28][29][30][31][32] Energy usage or consumption [21,22,29,33,34] 2. Economic performance Reverse logistics costs [24,[35][36][37][38] Sustainability costs [8,11,23,26,37] Energy consumption costs 3.…”