Biblio

J. L. McGregor, «Change of water and sanitation services management model in small towns with a participatory approach : a summary of guidelines». Water and Sanitation Program - Latin American and Carribean Region, Lima, Peru, p. 30 p. : fig., tab., 2008.

O. Castillo, McGregor, J. L., Zevallos, M., y Quispe, A., «The new operators in Peruvian small towns : designing a sustainable management model for water and sanitation services». Water and Sanitation Program - Latin American and Carribean Region, Lima, Peru, p. 45 p., 2008.