Amid, A., Ghodsypour, S. H., & O’Brien, C. (2009). A weighted additive fuzzy multiobjective model for the supplier selection problem under price breaks in a supply chain. International journal of production economics, 121(2), 323-332.
 Yücel, A., & GüNeri, A. F. (2011). A weighted additive fuzzy programming approach for multi-criteria supplier selection. Expert systems with applications, 38(5), 6281-6286.
 Bellman, R. E., & Zadeh, L. A. (1970). Decision-making in a fuzzy environment. Management science, 17(4), B-141.
 Ozkok, B. A., & Tiryaki, F. (2011). A compensatory fuzzy approach to multi-objective linear supplier selection problem with multiple-item. Expert systems with applications, 38(9), 11363-11368.
 Cao, B. Y. (2010). Optimal models and methods with fuzzy quantities (Vol. 248). Berlin: Springer.
 Dahel, N. E. (2003). Vendor selection and order quantity allocation in volume discount environments. Supply chain management: an international journal, 8(4), 335-342.
 Dehghan, M., Hashemi, B., & Ghatee, M. (2006). Computational methods for solving fully fuzzy linear systems. Applied mathematics and computation, 179(1), 328-343.
 Dubois, D. J. (1980). Fuzzy sets and systems: theory and applications (Vol. 144). Academic press.
 Adalı, E., Işık, A., & Kundakcı, K. (2016). An alternative approach based on Fuzzy PROMETHEE method for the supplier selection problem. Uncertain supply chain management, 4(3), 183-194.
 Lotfi, F. H., Allahviranloo, T., Jondabeh, M. A., & Alizadeh, L. (2009). Solving a full fuzzy linear programming using lexicography method and fuzzy approximate solution. Applied mathematical modelling, 33(7), 3151-3156.
 Jiménez, M., Arenas, M., Bilbao, A., & Rodrı, M. V. (2007). Linear programming with fuzzy parameters: an interactive method resolution. European journal of operational research, 177(3), 1599-1609.
Kumar, A., Kaur, J., & Singh, P. (2011). A new method for solving fully fuzzy linear programming problems. Applied mathematical modelling, 35(2), 817-823.
Kumar, A., Kaur, J., & Singh, P. (2010). Fuzzy optimal solution of fully fuzzy linear programming problems with inequality constraints. In j. Kuar & A. Kumar (Eds.), An introduction to fuzzy linear programming problems: theory, methods and applications (pp. 77-108). Cham: Springer International Publishing.
Kumar, M., Vrat, P., & Shankar, R. (2004). A fuzzy goal programming approach for vendor selection problem in a supply chain. Computers & industrial engineering, 46(1), 69-85.
Mahdavi-Amiri, N., & Nasseri, S. H. (2006). Duality in fuzzy number linear programming by use of a certain linear ranking function. Applied mathematics and computation, 180(1), 206-216.
Mahdavi-Amiri, N., & Nasseri, S. H. (2007). Duality results and a dual simplex method for linear programming problems with trapezoidal fuzzy variables. Fuzzy sets and systems, 158(17), 1961-1978.
Mahdavi-Amiri, N., Nasseri, S. H., & Yazdani, A. (2009). Fuzzy primal simplex algorithms for solving fuzzy linear programming problems. Iranian journal of operations research, 1(2), 68-84.
Díaz-Madroñero, M., Peidro, D., & Vasant, P. (2010). Vendor selection problem by using an interactive fuzzy multi-objective approach with modified S-curve membership functions. Computers & mathematics with applications, 60(4), 1038-1048.
Nasseri, S. H., & Ebrahimnejad, A. (2010). A fuzzy dual simplex method for fuzzy number linear programming problem. Advances in fuzzy sets and systems, 5(2), 81-95.
Nasseri, S. H., & Ebrahimnejad, A. (2010). A fuzzy primal simplex algorithm and its application for solving flexible linear programming problems. European journal of industrial engineering, 4(3), 372-389.
Nasseri, S. H., & Mahdavi-Amiri, N. (2009). Some duality results on linear programming problems with symmetric fuzzy numbers. Fuzzy information and engineering, 1(1), 59-66.
Saen, R. F. (2007). Suppliers selection in the presence of both cardinal and ordinal data. European journal of operational research, 183(2), 741-747.
Wang, T. Y., & Yang, Y. H. (2009). A fuzzy model for supplier selection in quantity discount environments. Expert systems with applications, 36(10), 12179-12187.
Torabi, S. A., & Hassini, E. (2008). An interactive possibilistic programming approach for multiple objective supply chain master planning. Fuzzy sets and systems, 159(2), 193-214.
Xia, W., & Wu, Z. (2007). Supplier selection with multiple criteria in volume discount environments. Omega, 35(5), 494-504.
Wang, G., Hang, S. H., & Dismukes, J. P. (2004). Product-driven supply chain selection using integrated multi-criteria decision making methodology. International journal of production economics, 91(1), 115.