Biblio

« Proyecto de saneamiento basico rural en comunidades dispersas de potosi "Yacupaj" ». .

« Proyecto escuela y casa saludable : descripcion del proyecto ». .

E. Ministerio EC, « Proyectos de agua y saneamiento rural : modelos de implementación ». Quito, Ecuador, p. 17 p.

N. L. P. S. O. - The Hague, « PSO newsletter ». PSO, The Hague, The Netherlands.

« Public administration and development ». .

« Public health ». .

WHO -Geneva, CH, World Health Organization, « Public health and environment news ». World Health Organization Public Health and Environment Department (PHE), Geneva, Switzerland.

« The public health engineer ». .

Public health topics. .

« Public Opinion Strategies, turning questions into answers ». Talmey-Drake, Research & Strategy, Washington, DC, USA.

« Public policy paper / Tearfund ». Tearfund, Teddington, UK.

Public utilities notes. .

Publicacion cientifica. .

Publication CWD. .

Publication / ILRI. .

« Publication / RAWOO ». .

Publication / Ross Institute of Tropical Hygiene. London, UK: Ross Institute of Tropical Hygiene.

Publication series A / Tampere University of Technology. Tampere, Finland: Tampere University of Technology.

Publication series B. .

Publication Series B / Tampere University of Technology. .

Publication series C / Tampere University of Technology. Tampere, Finland: Tampere University of Technology.

Publication / Stockholm Water Company. Stockholm, Sweden: Stockholm Water Company.

Publication SWD. .

Publications on water resources / SIDA. .

Publications series for Habitat II / UNDP. .