机译:Regulating sanitation services in sub-saharan africa: An overview of the regulation of emptying and transport of faecal sludge in 20 cities and its implementation
Loughborough Univ, WEDC Water Engn & Dev Ctr, Sch Architecture Bldg & Civil Engn, John Pickford Bldg, Loughborough LE11 3TU, Leics, England;