WASET
    M. A. Adeboyejo and  O. O. Adeosun ,  Fault Tolerance in Distributed Database Systems.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 85(1). 141 - 150
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997498.