Supplier selection by integrated IFDEMATEL-IFTOPSIS Method: A case study of automotive supply industry

Selecting the best supplier emerges as a crucial subject for all sectors to achieve long term collaborations in supply chains. This study object select most suitable company engage activities automotive industry. For this purpose, five-stage Intuitionistic Fuzzy Multi-Criteria Decision Making (IFMCDM) model is conducted. Firstly, decision criteria are defined by literature research and expert group opinions. Secondly, importance weights of these obtained IF Trial Evaluation Laboratory (IFDEMATEL). Followingly, assessed Technique Order Preference Similarity Ideal Solution (IFTOPSIS). In fourth stage, Sensitivity Analysis utilized analyze effect differentiation criterion. Lastly, comparative analysis carried out. The results has pointed that “Price” important criterion selection “Supplier 4” alternative case. Main contribution integrate IFDEMATEL-IFTOPSIS method first time propose specific framework. addition, proposed found robust valid.