D. R. Awang Rambli and  S. Sulaiman and  M.Y. Nayan and  A.R. Asoruddin,  A Step-wise Zoom Technique for Exploring Image-based Virtual Reality Applications.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2009, vol. 26(2). 259 - 262
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/9666.