L.Latrach , R.Suga , N.Ouazzani , T.Masunaga , A.Hejjaj , M.Mahi , L.Mandi. 2014. Application of multi-soil-layering (MSL) technology for domestic wastewater treatment in rural areas of Morocco. Proceedings of the WATMED7 conference, University Cadi Ayyad, Marrakech, 8-11 October 2014.