A selection of appropriate supplier is one of the most critical tasks for companies as the
success of companies depends on critical decisions such as supplier selection. A selection
of appropriate supplier can provide favorable contributions to companies. Contrarily,
selection of a wrong supplier might upset the company's some operations. The selection of
supplier problem is a multi-criteria decision-making problem due to considering both
qualitative and quantitative criteria, with vagueness and imprecision. In this study, the …

Supplier selection, the process of finding the right suppliers who are able to provide the
buyer with the right quality products and/or services at the right price, at the right time and in
the right quantities, is one of the most critical activities for establishing an effective supply
chain, and is typically a multi-criteria group decision problem. In many practical situations,
there usually exists incomplete and uncertain information, and the decision makers cannot
easily express their judgments on the candidates with exact and crisp values. Therefore, in …