Safari, H., Jafarzadeh, A.H., Aliahmadi, M.H. and Fathi, M.R. 2019. EXTENSION OF MCDM METHOD FOR SUPPLIER SELECTION PROBLEM WITH INTERVAL NUMBERS BASED ON OBJECTIVE WEIGHTING. International Journal of Industrial Engineering: Theory, Applications and Practice. 25, 6 (Jan. 2019). DOI:https://doi.org/10.23055/ijietap.2018.25.6.3813.