C. A. van Wijk-Sijbesma, Postma, L., y Otte, C.,
«Participatory quantification in the water and sanitation sector», vol. no. 47. International Institute for Environment and Development (IIED), London, UK, pp. p. 13 - 18; 1 box., 4 photogr., 2 tab., 2003.
D. U. Sumanasekera,
«Post project strategy for sustainabality of RWSS», in
Towards the millennium development goals - actions for water and environmental sanitation : proceedings of the 29th WEDC conference, Abuja, Nigeria, 2003, Loughborough, UK, 2003, pp. p. 299-301.
B. Gumbo, Jonker, L., Robinson, P., y van der Zaag, P.,
«Post-graduate training module on water demand management». World Conservation Union (IUCN), Pretoria, South Africa, p. 90 p. : fig., photogr., tab. , 2003.
F. Rosensweig y Perez, E.,
«Sanitation in small towns : summary report on sub-regional workshops, Environmental Health Project, Water and Sanitation Program, Pan American Health Organization,.Cuzco, Peru, October 1-3, 2002, Tela, Honduras, November 19-21, 2002», vol. no. 117. Environmental Health Project (EHP), Arlington, VA, USA, p. vii, 36 p., 2003.
F. Hartvelt y Patorni, F. - M.,
«Trends and perspectives in capacity building», presented at the 2003-01-01, Delft, The Netherlands, 2003, p. 37 p.