C. A. van Wijk-Sijbesma and Postma, L.,
“MPA : a new methodology for participatory monitoring”,
Waterlines, an international journal of water, sanitation and waste, pp. p. 6-7 : 1 box, 2 fig., 2003.
C. A. van Wijk-Sijbesma, Postma, L., and 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.
T. Schouten, Postma, L., and Moriarty, P. B.,
“Scaling-up community management”, 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. 288-291.