Reza Kiani Mavi

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Inverse DEA problems introduced to answer the following question: among a group of DMUs, if we change certain inputs (outputs) of a particular unit, how much should the outputs (inputs) of that unit be changed in order that the DMU retains its efficiency level with respect to the other DMUs? To solve such problems, it has been transformed into an MOLP(More)
Increasing pressures and stringent environmental regulations and increased public awareness against environmental impacts in developing countries have caused companies to try increasing environmental sustainability activities and forced them to choose suitable suppliers to reduce environmental risks in supply chain management. Many management practices that(More)
Decision makers (DMs) face different levels of uncertainty throughout the decision making process. In particular, natural language is generally subjective or ambiguous when used to express perceptions and judgments. The aim of this paper is to extend the VIKOR method and develop a methodology for solving multi-criteria decision making (MCDM) problems with(More)
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