K. Lamzouri, M. Mahi, S. Ouatar, E. Bartali, T. Masunaga, L. Latrach, L. Mandi. 2016. Application of Multi-soil-layering technique for wastewater treatment in Moroccan rural areas: study of the operation process for an engineering design. Journal of Materials and Environmental Science. 7 (2) (2016) 579-585 (ISSN: 2028-2508)