Urban management series. London, UK: IT Publications.
Australian Agency for International Development -Canberra, ACT, AU, AusAid y Water and Sanitation Program -Washington, DC, US, WSP,
«Urban sewerage and sanitation : 30 years of experience and lessons». Water and Sanitation Program, WSP, Washington, DC, USA, p. v, 59 p. : 5 fig., 8 tab.
Urban waste series / WASTE. Gouda, The Netherlands: WASTE.
«USAID Frontlines». USAID, Washington, DC, USA.
S. K. Agodzo, Huibers, F. P., Chenini, F., van Lier, J. B., Duran, A., y Technology, K. Nkrumah Un,
«Use of wastewater in irrigated agriculture: country studies from Bolivia, Ghana and Tunisia, Vol. 2 : Ghana». Agricultural University Wageningen, Wageningen, The Netherlands, p. 40 p.; tab.
«Users of industrial process water guideline». IUCN South Africa Country Office, Pretoria, South Africa.