Oumaima, El Bied, Angel Faz Cano, Jose Alberto Acosta Aviles, and Taoufiq Fechtali. 2019. “Characterization of Leachate from Different Landfills Sites of Morocco and Spain: A Comparative Study”. European Scientific Journal, ESJ 15 (18), 183. https://doi.org/10.19044/esj.2019.v15n18p183.