[1] طاهری م (۱۳۷۵) آشنایی با نظریه ی مجموعه های فازی، انتشارات جهاد دانشگاهی مشهد.
[2] Chachi, J., Taheri, S.M., (2016), Multiple Fuzzy Regression Model for Fuzzy Input Out- put Data, Iranian Journal of Fuzzy Systems, Vol 13,pp 63-78.
[3] Hong D. H., (2006), "Fuzzy measures for a correlation coefficient of fuzzy numbers under Tw (the weakest t-norm)-based fuzzy arithmetic operations", Information Sciences, Vol 176, pp 150-160.
[4] Liu, S. T., Kao, C.,(2002), "Fuzzy measures for correlation coefficient of fuzzy numbers", Fuzzy Sets and Systems, Vol 128, pp 267–275.
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