فهرس المقالات nima safaei المقاله 1 - A TAYLOR SERIES APPROACH FOR SOLVING LINEAR FRACTIONAL DECENTRALIZED BI-LEVEL MULTI-OBJECTIVE DECISION-MAKING UNDER FUZZINESS Mansour Saraj Nima Safaei International Journal of Mathematical Modeling & Computations , العدد 1 , السنة 5 , زمستان 2015