F. Iscan and  C. Yagci,  Selection of Solid Waste Landfill Site Using Geographical Information System (GIS).   journal   = {International Journal of Civil and Architectural Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 104(8). 1021 - 1024
    [viewed 03 December 2021]. Available from: https://publications.waset.org/pdf/10002562.