Solving the Supplier Selection Problem Using a Model Based On Fdahp-Vikor Combined Approach

Supplier selection Problem is one of the most important issues in the field of supply chain management and has become a survival factor in a competitive environment. This is a multi-criteria problem that can influence supply chain performance. The aim of this study is proposing an appropriate multi-criteria decision making model for optimal supplier selection. This research performed in Barfdaneh Company and firstly، the important criteria for mineral bottle cap suppliers’ selection were identified based on research literature and interviews with managers. Then، two questionnaires were used for assembling managers’ viewpoints. According to the first questionnaire، the importance of criteria were evaluated. Then، the relative weights of criteria were determined using fuzzy Delphi analytical hierarchy process (FDAHP). Based on second questionnaire، three suppliers were evaluated based on defined criteria. Finally، according to both questionnaires، suppliers were evaluated and ranked by VIKOR method.