Changes

* Del Porto, D. and Steinfeld, C. (1999). The Composting Toilet System Book. A Practical Guide to Choosing, Planning and Maintaining Composting Toilet Systems, an Alternative to Sewer and Septic Systems. The Center for Ecological Pollution Prevention (CEPP), Concord, MA, US.(Book)

* Jenkins, J. (2005). [http://skrconline.net/content/images/stories/documents/Humanure_Handbook_all.pdf The Humanure Handbook. A Guide to Composting Human Manure]. 3rd Ed. Jenkins Publishing, Grove City, PA, US.

* Morgan, P. R. (2004). [https://www.susana.org/en/knowledge-hub/resources-and-publications/library/details/986 An Ecological Approach to Sanitation in Africa. A Compilation of Experiences]. Aquamor, Harare, ZW.:Available at: [http://www.ecosanres.org ecosanres.org]

* Morgan, P. R. (2007). [https://www.susana.org/en/knowledge-hub/resources-and-publications/library/details/195 Toilets That Make Compost. Low-Cost, Sanitary Toilets That Produce Valuable Compost for Crops in an African Context]. Stockholm Environment Institute, Stockholm, SE. pp. 81-90.:Available at: [http://www.ecosanres.org ecosanres.org]

* Morgan, P. R. (2009). [https://www.susana.org/en/knowledge-hub/resources-and-publications/library/details/989 Ecological Toilets. Start Simple and Upgrade from Arborloo to VIP]. Stockholm Environment Institute, Stockholm, SE.:Available at: [http://www.ecosanres.org ecosanres.org]

* NWP (2006). [https://www.susana.org/en/knowledge-hub/resources-and-publications/library/details/989 Smart Sanitation Solutions. Examples of Innovative, Low-Cost Technologies for Toilets, Collection, Transportation, Treatment and Use of Sanitation Products]. Netherlands Water Partnership, The Hague, NL.:Available at: [http://www.ircwash.org ircwash.org]

* Strande, L., Ronteltap, M. and Brdjanovic, D. (Eds.) (2014). [https://www.susana.org/en/knowledge-hub/resources-and-publications/library/details/3591 Faecal Sludge Management. Systems Approach for Implementation and Operation]. IWA Publishing, London, UK. (Detailed book compiling the current state of knowledge on all aspects related to FSM):Available at: [http://www.sandec.ch sandec.ch]

* WHO (2006). [https://www.who.int/water_sanitation_health/publications/gsuweg4/en/ Guidelines for the Safe Use of Wastewater, Excreta and Greywater. Volume 4: Excreta and Greywater Use in Agriculture. World Health Organization, Geneva, CH.:Available at: [http://www.who.int who.int]