Khoumsi, W. , Hammani, A. , Kuper, M. , Bouaziz, A. (2014). 'Deterioration of Groundwater in Arid Environments: What Impact in Oasis Dynamics? Case Study of Tafilalet, Morocco'. World Academy of Science, Engineering and Technology, Open Science Index 95, International Journal of Environmental and Ecological Engineering, 8(11), 764 - 770.