WASET
    N. Chaitawittanun and  M. Munlin,  An Efficient Clustering Technique for Copy-Paste Attack Detection.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2014, vol. 86(2). 394 - 402
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10001670.