en پژوهشي Research <span style="FONT-SIZE: 11pt FONT-FAMILY: "Times New Roman" mso-fareast-font-family: 'Times New Roman' mso-ansi-language: EN-US mso-fareast-language: EN-US mso-bidi-language: FA">Assessment and selection of suppliers are two most important tasks in the purchasing part in supply chain management. Supplier selection can be considered to be a single or multi-objective problem. From another point of view, it can be a single or multi-sourcing problem. In this paper, an integrated AHP and Fuzzy TOPSIS model is proposed to solve the supplier selection problem. This model makes the decision-maker to be able to solve this problem with different criteria and different weight for each criterion with respect to the purchasing strategy. Finally, the proposed model is illustrated by an example</span><span style="FONT-SIZE: 10pt COLOR: black FONT-FAMILY: "Times New Roman" mso-fareast-font-family: 'Times New Roman' mso-ansi-language: EN-US mso-fareast-language: EN-US mso-bidi-language: FA">.</span> supply chain management, supplier selection, fuzzy set theory, multiple-criteria decision making 1 9 http://ijiepr.iust.ac.ir/browse.php?a_code=A-10-95-4&slc_lang=en&sid=1 F. Bagheri ftmh_bagheri@sina.kntu.ac.ir 180031947532846003099 180031947532846003099 No M. J. Tarokh ftmh_bagheri@sina.kntu.ac.ir, mjtarokh@kntu.ac.ir 180031947532846003100 180031947532846003100 Yes