Jafreezal Jaafar and  Eric McKenzie,  Autonomous Virtual Agent Navigation in Virtual Environments.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2010, vol. 37(1). 91 - 98
    [viewed 08 August 2020]. Available from: https://publications.waset.org/pdf/14876.