WASET
    Parvinder S. Sandhu and  Roma Jaswal and  Sandeep Khimta and  Shailendra Singh,  Software Maintenance Severity Prediction for Object Oriented Systems.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2009, vol. 32(8). 1927 - 1930
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/8492.