Biblio

A. Peal, Evans, B., and van der Voorden, C., “Introduction aux stratégies participatives et de promotion en matiere d’hygiene et d’assainissement ”. Water Supply and Sanitation Collaborative Council, WSSCC, Geneva, Switzerland, p. viii, 144 p.; ill.; tab.; fig., 2011.

A. Peal, Evans, B., and van der Voorden, C., “Hygiene and sanitation software : an overview of approaches ”. Water Supply and Sanitation Collaborative Council, WSSCC, Geneva, Switzerland, p. viii, 144 p.; 5 fig.; 2 tab., 2010.