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[2] World Health Organization (WHO) (1987) Technology for Water Supply and Sanitation in Developing Countries. Geneva.
[3] Franceys, R., Pickford, J. and Reed, R. (1992) A Guide to Development of Onsite Sanitation. World Health Organization, Geneva.
[4] Lewis, J.W., Foster, S.D. and Draser, B.S. (1980) The Risk of Groundwater Pollution by On-Site Sanitation in Developing Countries, a Literature Review. International Reference Centre for Wastes Disposal (IRCWD) Report No. 01/82, Duebendorf.
[5] DWAF (1996) South African Water Quality Guidelines. 2nd Edition, Volume 7: Aquatic Ecosystems. Department of Water Affairs and Forestry, Pretoria.
[6] Tsai, Y.-L., Sobsey, M.D., Sangermano, L.R. and Palmer, C.J. (1993) Simple Method of Concentrating Enteroviruses and Hepatitis A Virus from Sewage and Ocean Water for Rapid Detection by Reverse Transcriptase-Polymerase Chain Reaction. Applied and Environmental Microbiology, 59, 3488-3491.
[7] Rompré, A., Servais, P., Baudart, J., de-Roubin, M. and Laurent, P. (2002) Detection and Enumeration of Coliforms in Drinking Water: Current Methods and Emerging Approaches. Journal of Microbiological Methods, 49, 31-54.
[8] The National Environment Regulations (Uganda) (1999) Standards for Discharge of Effluent into Water or Wetland. Statutory Instrument Supplement No. 5.
[9] Simon, O. (2013) Assessing Charcoal Dust and Saw Dust as Sewage Purifiers. Final Year Research Project for Bachelor of Engineering in Civil and Building Engineering, Kyambogo University, Kampala.