Biblio

J. T. Visscher, Pels, J., Markowski, V., and de Graaf, S., “Gestión del conocimiento y la información en el sector de agua y saneamiento : un hueso duro de roer”, vol. no. 14-S. IRC, Delft, the Netherlands, p. 73 p. : boxes, tab., 2007.

J. T. Visscher, Pels, J., Markowski, V., and de Graaf, S., “Knowledge and information management in the water and sanitation sector : a hard nut to crack”, vol. no. 14. IRC, Delft, The Netherlands, p. 64 p. : boxes, tab., 2006.

S. de Graaf, Contes del mon de l'aigua, Catalan. London, UK: Oxfam Publishing, 2005, p. 119 p. : photographs.

S. de Graaf, Cuentos del mundo del agua. Delft, The Netherlands: IRC, 2003, p. 116 p. : photographs.

E. Kamminga, Wegelin-Schuringa, M. H. A., and de Graaf, S., “HIV/AIDS and its implications for the water and sanitation sector”, 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. 366-368.

K. Shordt, Snel, M., and de Graaf, S., “School sanitation and hygiene education indicators”, 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. 63-65 : 1 tab.

S. de Graaf, Spraakwater. Delft, The Netherlands: IRC, 2003, p. 116 p. : photogr.

S. de Graaf, Water stories. Delft, The Netherlands: IRC, 2003, p. 116 p. : photographs.