PEAL, A.; EVANS, B.; VAN DER WOORDEN, C. (2010): Hygiene and Sanitation Software. An Overview of Approaches. Geneva: Water Supply & Sanitation Collaborative Council (WSSCC). URL [Accessed: 17.04.2012]. PDF
This document describes the various hygiene and sanitation 'software' approaches that have been deployed over the last 40 years by NGOs, development agencies, national and local governments in all types of settings - urban, informal-urban and rural.