Chung To Kong and  Siu Ming Yiu,  The Possibility of Solving a 3x3 Rubik’s Cube under 3 Seconds.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2022, vol. 187(7). 43 - 51
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10012609.