Regarding the sustainability considerations in the health care centers is critical to improve the quality of services, to decrease the costs and environmental issues. Of approaches that health care centers can use to achieve ...

This paper addresses a closed-loop supply chain network design problem, in which two different supply chains compete on retail prices by defining a price-dependent demand function. So, the model is formulated in a bi-level ...

This paper presents a multi-stage model for accurate prediction of demand for dairy products (DDP) by the use of artificial intelligence tools including Multi-Layer Perceptron (MLP), Adaptive-Neural-based Fuzzy Inference ...

Healthcare systems help to improve the quality of working life. Therefore, high-quality services are essential in hospitals as the main party of healthcare systems. While there are limited resources in healthcare systems ...

The purpose of this study was to investigate designing a two-level hierarchical healthcare facilities network under human resource constraint. To this end, a mixed integer model has been proposed in which the location of ...

This study proposes a novel mathematical model for redesigning existing relief logistics network including suppliers, distribution centers and demand nodes along with integrating the measures in preparedness and response ...

In this paper, we study a supplier selection and order allocation problem with in a multi-objective and fuzzy environment. Transportation costs and quantity discount are taken into account in the problem. We assume four ...

Taking into account the economic capabilities, competitive advantages and environment dynamics, this research presents a new physical flow optimization model by considering payment period, time value of money and exchange ...

In a supplier-retailer-buyer supply chain, the supplier frequently offers the retailer a trade credit of  periods, and the retailer in turn provides a trade credit of  periods to her/his buyer to stimulate sales and reduce ...

This article studies flexible job-shop scheduling problem (FJSSP) considering three objective functions. The objectives are minimizing maximum completion time (Cmax), the maximum machine workload ...

Delivering on time is an essential factor for the survival of factories in a competitive environment, which requires planning in the supply chain. Therefore, with the correct planning in the supply chain scheduling, it can ...