WASET
    P. C. Saxena and  D. K. Tayal,  Fuzzy Join Dependency in Fuzzy Relational Databases.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2007, vol. 9(9). 2792 - 2804
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/532.