WASET
    Zakaria Smahi and  Khadidja Remaoun and  Fatima Achouri,  The Urban Expansion Characterization of the Bir El Djir Municipality Using Remote Sensing and GIS.   journal   = {International Journal of Civil and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 100(4). 406 - 409
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10000965.