Houda Abadlia and  Nadia Smairi and  Khaled Ghedira,  An Enhanced Particle Swarm Optimization Algorithm for Multiobjective Problems.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2018, vol. 143(11). 1010 - 1018
    [viewed 03 March 2021]. Available from: https://publications.waset.org/pdf/10009813.