this paper uses the weighted l$_1-$norm to propose an algorithm for finding a well-dispersed subset of non-dominated solutions of multiple objective mixed integer linear programming problem. when all variables are integer it finds the whole set of efficient solutions. in each iteration of the proposed method only a mixed integer linear programming problem is solved and its optimal solutions gen...

This paper peruses one of the most challenging healthcare concerns related to human organ transplantation. In this regard, a medical system’s health-economic objectives are investigated (1) achieve desirable level health equity in offering services patients who differentiated terms conditions, and (2) minimize total costs incurred across managing inventory. presents first-ever operational resea...

Along with the increased competition in production and service areas, many organizations attempt to provide their products at a lower price higher quality. On other hand, consideration of environmental criteria conventional supplier selection methodologies is required for companies trying promote green supply chain management (GSCM). In this regard, multi-criteria decision-making (MCDM) techniq...

In recent years, supply chains seem to be moving more towards reconfiguring their networks become profitable. the times of COVID-19, where whole have been disrupted, suppliers are unable supply, and manufacturers manufacture because lockdowns in various regions around world. This pandemic can compared past earthquakes tsunamis, as coronavirus is also a natural disaster. Due these disruptions, o...