The choice of optimal sites for controlled landfill using the Analytical Hierarchy Process and the Geographic Information System: A case of Oum Azza in MoroccoAhmed Ait Errouhi, Jihane Gharib, Yassir Bouroumine and Anas BahiE3S Web Conf., 234 (2021) 00066DOI: https://doi.org/10.1051/e3sconf/202123400066