Mkude, I. T., Mbwette, T., Kimwaga, R. J. and 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), pp. 97-115. doi: 10.52339/tjet.v38i1.499.