Mukesh Kumar Shah and  Tushar Gupta,  Upgraded Cuckoo Search Algorithm to Solve Optimisation Problems Using Gaussian Selection Operator and Neighbour Strategy Approach.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2020, vol. 159(3). 76 - 79
    [viewed 06 July 2020]. Available from: https://publications.waset.org/pdf/10011112.