Chetneti Srisa-an,  Applying Spanning Tree Graph Theory for Automatic Database Normalization.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 89(5). 822 - 826
    [viewed 28 October 2021]. Available from: https://publications.waset.org/pdf/9998331.