C. Adiche and M. Aider, A hybrid method for solving the multi-objective assignment problem, J. Math. Model. Algor. 9 (2010), no. 2, 149–164.
 M. Ayob, S. Abdullah and A.M.A. Malik, A practical examination timetabling problem at the Universiti Kebangsaan Malaysia, Int. J. Comput. Sci. Network Secur. 9 (2007), no. 7, 198–204.
 H. Basirzadeh, Ones assignment method for solving assignment problems, Appl. Math. Sci. 6 (2012), no. 45-48, 2345-2355.
 M. Caramia, P. Dell’Olmo and G.F. Italiano, Novel local-search-based approaches to university examination timetabling, INFORMS J. Comput. 20 (2008), no. 1, 86–99.
 C.A.C. Coello, G.B. Lamont and D.A. Van. Veldhuizen evolutionary algorithms for solving multi-objective problems, New York, Springer, 2007.
 E. Ersoy, E. ¨ Ozcan and A. S. Uyar, Memetic algorithms and hyperhill-climbers, Proc. 3rd Multidiscip. Int. Schedul. Conf.: Theory Appl. (MISTA07), 2007, pp. 159–166.
 A.M.K. Hammadi, Application of linear programming according to the allocation model, Al-Muthanna J. Admin. Econ. Sci. 2 (2012), no. 3.
 A.M.K. Hammadi, Solving multi objective Assignment problem using Tabu search algorithm, Glob. J. Pure Appl. Math. 13 (2017), no. 9, 4747–4764.
 A.A. Humaidan, A model of linear programming for the movement of pilgrims from Arafat to Muzdalifah, Damascus J. Econ. Legal Sci. 21 (2005), no. 21.
 S. Mirjalili, S. Saremi, S.M. Mirjalili and L.D.S. Coelho, Multi-objective grey wolf optimizer: a novel algorithm for multi-criterion optimization, Expert Syst. Appl. 47 (2016), 106–119.
 S. Mardle, S. Pascoe, and M. Tamiz, An investigation of genetic algorithms for the optimization of multi-objective fisheries bio-economic models, Proc. Third Int. Conf. Multi-Objective Program. Goal program. Theory Appl., Quebec City, 1998.
 R. Qu, E.K. Burke, B. McCollum, L.T.G. Merlot, and S.Y. Lee, A survey of search methodologies and automated system development for examination timetabling, J. Schedul. 12 (2009), no. 1, 55–89.
 D.H. Rogers, M. Alam and L.K. Shaw, Kansas Irrigation Trends, Agricultural Experiment Station and Cooperative Extension Service, Kansas State University, 2008.
 K. Salehi, An approach for solving multi-objective assignment problem with interval parameters, Manag. Sci. Lett. 4 (2014), no. 9, 2155–2160.
 R.H. Sheah and I.T. Abbas, Using multi-objective bat algorithm for solving multi-objective non-linear programming problem, Iraqi J. Sci. 62 (2021), no. 3, 997–1015.
 S. Singh, A comparative analysis of assignment problem, IOSR J. Engin. 8 (2012), no. 2, 1–15.
 H. Turabieh and S. Abdullah, An integrated hybrid approach to the examination timetabling problem, Omega 39 (2011), no. 6, 598–607.
 E.L. Ulungu and J. Teghem, Multi-objective combinatorial optimization problems: A survey, J. Multi-Criteria Decision Anal. 3 (1994), no. 2, 83–104.
 G. Yue, M. Chen and H. Ishii, Bi-criteria bottleneck assignment problem, Fuzzy Inf. Process. Soc. 2012 Annual Meeting of the North American. IEEE, 2012.