WASET
    Benjapol Auprasert and  Yachai Limpiyakorn,  Underlying Cognitive Complexity Measure Computation with Combinatorial Rules.   journal   = {International Journal of Computer and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2008, vol. 21(9). 3026 - 3031
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/11564.