WASET
    Neeraj Mohan and  Parvinder S. Sandhu and  Hardeep Singh,  Impact of Faults in Different Software Systems: A Survey.   journal   = {International Journal of Computer and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 300 - 303
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/14215.