WASET
    Hassan Haleh and  Zohreh Nasiri and  Parisa Farahpour,  Information Security in E-Learning through Identification of Humans.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2011, vol. 59(11). 1317 - 1321
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10168.