Jehad Al Dallal,  Efficient Program Slicing Algorithms for Measuring Functional Cohesion and Parallelism.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2008, vol. 24(12). 904 - 911
    [viewed 17 February 2020]. Available from: https://publications.waset.org/pdf/10757.