Griou, H. et al. 2023. The study of the fertilising power of urban sludge from the Dar Gueddari Wastewater Treatment Plant : Case of maize (Zea mays). Journal of Water and Land Development. 56, 56 (Mar. 2023), 37–44. DOI:https://doi.org/10.24425/jwld.2023.143742.