Donna R. Tabangin and  Jacqueline C. Flores and  Nelson F. Emperador,  Investigating Crime Hotspot Places and their Implication to Urban Environmental Design: A Geographic Visualization and Data Mining Approach.   journal   = {International Journal of Civil and Architectural Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2008, vol. 24(12). 4004 - 4012
    [viewed 18 October 2021]. Available from: https://publications.waset.org/pdf/3617.