WASET
    O. Hasançebi and  S. Kazemzadeh Azad,  Reformulations of Big Bang-Big Crunch Algorithm for Discrete Structural Design Optimization.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2013, vol. 74(2). 139 - 150
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/15869.