WASET
    W. EL Khoumsi and  A. Hammani and  M. Kuper and  A. Bouaziz,  Deterioration of Groundwater in Arid Environments: What Impact in Oasis Dynamics? Case Study of Tafilalet, Morocco.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 95(11). 764 - 770
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10000090.