L. Chung,
“Cooperativas periurbanas de agua : Santa Cruz de la Sierra, Bolivia”, vol. no. 2. Water and Sanitation Program, WSP, Lima, Peru, p. 4 p., 1999.
L. Chung,
“Peri-urban water cooperatives: Santa Cruz de la Sierra, Bolivia”, vol. no. 2. Water and Sanitation Program, WSP, Lima, Peru, p. 4 p., 1999.