Contribution to optimize decision parameters in activated-sludge process using ANFIS modelRadia Maachou, Abdelouahab Lefkir, Tarek Merabtene, Amel Hamriche and Abdemalek BermadMATEC Web Conf., 120 (2017) 05001DOI: https://doi.org/10.1051/matecconf/201712005001