Bitran, G. R. (1980). Linear multiple objective problems with interval coefficients. Management science, 26(7), 694-706.
 Dubois, D. J. (1980). Fuzzy sets and systems: Theory and applications. Academic press.
 Garg, H. (2015). Multi-objective optimization problem of system reliability under intuitionistic fuzzy set environment using Cuckoo Search algorithm. Journal of intelligent & fuzzy systems, 29(4), 1653-1669.
 Garg, H. (2018). Some arithmetic operations on the generalized sigmoidal fuzzy numbers and its application. Granular computing, 3(1), 9-25.
 Garg, H. (2018). Arithmetic operations on generalized parabolic fuzzy numbers and its application. Proceedings of the national academy of sciences, India section A: Physical sciences, 88(1), 15-26.
 Garg, H. (2018). Analysis of an industrial system under uncertain environment by using different types of fuzzy numbers. International journal of system assurance engineering and management, 9(2), 525-538.
 Gasimov, R. R., & Yenilmez, K. (2002). Solving fuzzy linear programming problems with linear membership function. Turkish journal of mathematics, 26(4), 375-396.
 Hamadameen, A. O. (2017). A novel technique for solving multiobjective fuzzy linear programming problems. ARO-the scientific journal of Koya university, 5(1), 1-8.
 Kaufmann, A., & Gupta, M. M. (1988). Fuzzy mathematical models in engineering and management science. New York, NY, USA: Elsevier Science Inc.
 Singh, S. K., & Yadav, S. P. (2017). Intuitionistic fuzzy multi-objective linear programming problem with various membership functions. Annals of operations research, 1-15.
 Moore, R. E. (1979). Methods and applications of interval analysis. Siam.
 Philip, J. (1972). Algorithms for the vector maximization problem. Mathematical programming, 2(1): 207- 229.
 Rani, D., Gulati, T. R., & Garg, H. (2016). Multi-objective non-linear programming problem in intuitionistic fuzzy environment: optimistic and pessimistic view point. Expert systems with applications, 64, 228-238.
 Sakawa, M., & Yano, H. (1985). Interactive decision making for multi-objective linear fractional programmingproblems with fuzzy parameters. Cybernetics and system, 16(4), 377-394.
 Steuer, R. E. (1986). Multiple criteria optimization. Theory, computation and applications.
 Shaocheng, T. (1994). Interval number and fuzzy number linear programmings. Fuzzy sets and systems, 66(3), 301-306.
 Veeramani, C., Duraisamy, C., & Nagoorgani, A. (2011). Solving fuzzy multi-objective linear programming problems with linear membership functions. Australian journal of basic and applied sciences, 5(8), 1163-1171.
 Wang, F. H., & Wang, L. M. (1996). A decision making procedure of a fuzzy multiobjecttive linear problem. Journal of the Chinese institute of industrial engineers, 13(1), 1-10.
 Zadeh, L. A. (1965). Fuzzy sets. Information control, (8) 338- 353.
 Zimmermann, H. J. (1978). Fuzzy programming and linear programming with several objective functions. Fuzzy sets and systems, 1(1), 45-55.