1.12.Compendium of Faecal Sludge Management - FSM - Technical Options in Emergencies - ( GWN ).#Books of reference#GWN#Faecal Sludge Management - ( FSM )
1.11.Guide to sanitation resource recovery products and technology - ( EAWAG ).#Books of reference#Eawag#Sanitation
1.10.Faecal Sludge Management-Systems approach for implementation and operation - ( EAWAG ).#Books of reference#Eawag#Faecal Sludge Management - ( FSM )
1.9.Compendium of Sanitation Technologies in emergencies - ( EAWAG ).#Books of reference#Eawag#Sanitation
1.8.Compendium of Sanitation Technologies in emergencies - ( EAWAG ).#Books of reference#Eawag#Sanitation
1.6.Guidance manual on water supply and sanitation programmes - ( DFID ).#Books of reference#DFID#Water supply#Sanitation
1.5.Guidelines for the development of small-scale rural water supply and sanitation projects - ( CRS ).#Books of reference#CRS#Water supply#Sanitation
1.4.Groundwater around the world-A geographic synopsis - ( CRC Press ).#Books of reference#CRC Press
1.1.Water, Sanitation and Hygiene for populations at risk - ( ACF ).#ACF#Books of reference#Water-related diseases1.1.Water, Sanitation and Hygiene for populations at risk - ( ACF ).#ACF#Books of reference#Hygiene Promotion
1.7.Aerobic digestion of biowaste in developing countries - ( EAWAG ).
1.3.Physical geology - ( BC Campus Canadá )
1.2.Developing groundwater - ( PRACTICAL ACTION ).