Biblio

D. K. D. A. N. I. D. A. - Copenhagen and Centre for Residential Planning and Development -Hanoi, VN, Centre d'Etudes, de Recherches et de Participation au Développement CERPAD, “National rural water supply and sanitation strategy study (NRWSS). Volume 3. Action plan : implementation 2000 to 2005 : final report”. Carl Bro International, Glostrup, Denmark, p. 71 pag. : tab., 1999.