Mkude, I. T., Mbwette, T., Kimwaga, R. J., & Gabrielsson, S. (2019). Material Flow Analysis as a Decision Supporting Tool for Faecal Sludge Resource Recovery: Mathematical Formulation and Quantification. Tanzania Journal of Engineering and Technology, 38(1), 97-115. https://doi.org/10.52339/tjet.v38i1.499