R. P. Mahapatra and  Jitendra Singh,  Improving the Effectiveness of Software Testing through Test Case Reduction.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2008, vol. 13(1). 138 - 143
    [viewed 29 March 2020]. Available from: https://publications.waset.org/pdf/6854.