Maruto Masserie Sardadi and  Mohd Shafry bin Mohd Rahim and  Zahabidin Jupri and  Daut bin Daman,  Choosing R-tree or Quadtree Spatial DataIndexing in One Oracle Spatial Database System to Make Faster Showing Geographical Map in Mobile Geographical Information System Technology.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2008, vol. 22(10). 3345 - 3353
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/10433.