Rudy, J., and D. Å»elazny. “Solving Multi-Objective Job Shop Problem Using Nature-Based Algorithms: New Pareto Approximation Features”. An International Journal of Optimization and Control: Theories & Applications (IJOCTA), vol. 5, no. 1, Oct. 2014, pp. 1-11, doi:10.11121/ijocta.01.2015.00232.