Hygiene Evaluation Procedures: Approaches and Methods for Assessing Water - and Sanitation - related Hygiene Practices ALMEDOM, A.M. BLUMENTHAL, U. MANDERSON, L. (1997): Hygiene Evaluation Procedures: Approaches and Methods for Assessing Water - and Sanitation - related Hygiene Practices. London: International Nutrition Foundation for Developing Countries (INFDC)
