WASET
    A. Danbaba,  Combined Analysis of Sudoku Square Designs with Same Treatments.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    March 2016, vol. 112(4). 189 - 193
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10004291.