Md. Asraful Haque and  Babbar Imam,  A New Graphical Password: Combination of Recall & Recognition Based Approach.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 86(2). 320 - 324
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/9997703.