Arshi, M., Hadi-Vencheh, A., Nazari, M. and Jamshidi, A. 2023. A NON-LINEAR PROGRAMMING MODEL TO SOLVE MADM PROBLEMS WITH INTERVAL-VALUED INTUITIONISTIC FUZZY NUMBERS. International Journal of Industrial Engineering: Theory, Applications and Practice. 30, 3 (Jun. 2023). DOI:https://doi.org/10.23055/ijietap.2023.30.3.8023.