1. Meeting Social Challenges in Developing Sustainable Environmental Infrastructures in East African Cities;Oosterveer,2010
2. Characterizing Slums and Slum-Dwellers: Exploring Household-level Indonesian Datahttp://storage.globalcitizen.net/data/topic/knowledge/uploads/20120920133613196030_slums_Shah.pdf
3. Challenges of slum dwellers in Ghana: The case study of Ayigya, Kumasi;Dinye;Mod. Soc. Sci. J.,2013
4. Progress on Sanitation and Drinking-Water: 2010 Update,2010