Üçüncü parti lojistik hizmet sağlayıcı seçimi için bir bulanık çok ölçütlü karar verme yaklaşımı

Nowadays, supply chain management becomes more important day by day as a result of rapid competition and need for cost reduction in supply chain operations that include logistics activities. Supply chain departments of firms have become major elements instead of support elements in the global economy. This situation also leads to more risk-oriented supply chain operations and Supply Chain Risk Management notion is aroused from focusing not only benefits of the suppliers but also risks and uncertainties in the long term. 3PL Provider Selection is classified as a supplier selection problem is an important part of supply chain management. It is important to evaluate both positive and negative sides of suppliers in the supplier selection process. The aim of this study is arranging in order the criteria that are used in 3PL provider selection problems via DEMATEL Method and enhancing a model that assesses the risk of alternatives via applying Fuzzy TOPSIS Method with the help of the criteria that specifies risk. The relationship between the assessment of alternatives according to criteria that is made by experts and risk factors that alternatives have is fuzzy. Fuzzy TOPSIS Method enables to choose the most appropriate 3PL firm in the long run. A real case from cosmetic company is applied to demonstrate the efficiency of the proposed methodology.