Hazem M. El-Bakry and  Ahmed A. Mohammed,  Optimal Document Archiving and Fast Information Retrieval.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2009, vol. 27(3). 816 - 829
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/14515.