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.
C. A. van Wijk-Sijbesma and Mukherjee, N.,
“Sustainability planning and monitoring in community water supply and sanitation : a guide on the methodology for participatory assesment (MPA) for community-driven development programs”. Water and Sanitation Program, WSP, Washington, DC, USA, p. vii, 157 p. : 26 boxes, 27 fig., 3 tabs., 2003.