1. Community Assessment for Sustainable Sanitation Systems in Low-income Countries;Bouabid,2004
2. A Systems Approach for the Selection of Appropriate Water Supply and Sanitation Infrastructure in Developing Communities;Bouabid,2013
3. Methodology for Participatory Assessments with Communities, Institutions and Policy Makers. Water and Sanitation Program;Dayal,2000
4. Basic water requirements for human activities: meeting basic needs;Gleick;Water Int.,1996
5. Boiling Point: Issues and Problems in Water Security and Sanitation;Guttierrez,1999