abstract minimizing service cost and adverse effects on environment and society are important in waste management. due to this, landfill and transfer station location become important. this article as a practical research uses analytical hierarchy process in multi criteria decision making considering environmental and social criteria in levels of benefit, opportunity, cost and risk (bocr) for p...

Trade within Africa is at an all-time low, with a lack of optimal intermodal transportation network and high cost business serving as deterrent to trade. This research studies Intra-African ECOWAS using hierarchical spatial aggregation process identify 27 nodes. Distance-based weighted centrality measures employed TOPSIS model ranked node Economic Community West African States (ECOWAS) transpor...

We propose a novel hub location model that jointly eliminates some of the traditional assumptions on structure network and discount as result economies scale in an effort to better reflect real-world logistics transportation systems. Our extends literature various facets: instead connecting nonhub nodes directly nodes, we consider routes with stopovers; pairs hubs directly, design can visit sev...