Abstract: Within a supply chain,purchasing plays a key role in achieving competitiveness.Hence,the right order allocation is a vital component of the strategies.In practice,supplier selection is a multi-objective programming problem with vagueness and imprecision of the input data.In spite of the importance of the problem,the literature on this subject is relatively scarce.In this paper,a fuzzy multi-objective linear model is developed to overcome the vagueness of the information.At the same time,fuzzy weight and sto chastic demand are applied to enable the decision-makers to select the right supplier.The model is illustra ted by a numerical example.

Key words: fuzzy Weight, fuzzy objective, order allocation, stochastic demand