Irina Pyrlina,  Choice of Efficient Information System with Service-Oriented Architecture using Multiple Criteria Threshold Algorithms (With Practical Example).   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2012, vol. 64(4). 414 - 421
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/15026.