Biblio

G. Perich, “Peru: case studies in sanitation microfinance”. Water and Sanitation Program, WSP, Lima, Peru, p. 6 p.; 5 fig., 2010.

R. Pfammatter and Schertenleib, R., “Non-governmental refuse collection in low-income urban areas : lessons learned from selected schemes in Asia, Africa and Latin America”, vol. no. 1/96. Water and Sanitation in Developing Countries (SANDEC), Duebendorf, Switzerland, p. iv, 70 p.: 11 fig., 10 photogr., 2 tab., 1996.