Bey, V., Abisa, J., y Magara, P., «Assessment of the performance of the service delivery model for point sources in Uganda», IRC, The Hague, The Netherlands, 2014.

Bey, V., «Assessment of the water source committee service delivery model for rural water services in Uganda». IRC, Kampala, Uganda, p. 4 p. : 1 fig., 2014.

Abisa, J., Smits, S., y Bey, V., «Level of service received by water users in eight districts in Uganda». p. 8, 2014.

Bey, V., «Performance of rural water service providers and service authorities in eight districts in Uganda». IRC, p. 12 p. : 2 boxes, 8 fig., 2014.

Adank, M., Smits, S., Bey, V., Verhoeven, J., Pezon, C., y IRC International Water and Sanitation Centre, The Hague, NL, «Development and use of service delivery indicators for monitoring rural water services : a paper presented at the Monitoring Sustainable WASH Services Symposium», in IRC Symposium 2013 : monitoring sustainable WASH service delivery, 9 to 11 April 2013, Addis Ababa, Ethiopia : symposium papers, S.l., 2013, p. 15 p.; 4 fig.; 2 tab.; 1 box.

Smits, S., Uytewaal, E., Sturzenegger, G., Adank, M., Bey, V., Verhoeven, J., Pezon, C., Flores, Ó., Giné, A., Pérez-Foguet, A., Meek, A., Danert, K., Lockwood, H,, Arebahona, I., Koroma, A., y Willets, J., «Presentations on Topic 2: Country-led and country-wide monitoring of rural and small towns water supplies (Symposium 2013, Day 2)», IRC Symposium 2013 : monitoring sustainable WASH service delivery, 9 to 11 April 2013, Addis Ababa, Ethiopia : symposium papers. IRC, 2013.

Smits, S., Tamayo, S.P., Ibarra, V., Rojas, J., Benavidez, A., y Bey, V., «Gobernanza y sostenibilidad de los sistemas de agua potable y saneamiento rurales en Colombia». Banco Interamericano de Desarrollo, S.l., p. xxiv, 127 p.; 29 tab.; 15 fig.; 2 boxes, 2012.

Smits, S., Uytewaal, E., Mairena, R., Romero, L., Sanchez, A.E., Pineda, G.M., y Bey, V., «Guía conceptual y metodológica para la formulación de la política municipal de agua y saneamiento». CONASA, PNUD, IRC, 2011.

Brenda, A., Lieshout, R., y Bey, V., «How district based multi-stakeholder learning in LeaPPS made a difference». IRC, Delft, The Netherlands, p. 3 p., 2010.

Brenda, A., Lieshout, R. van, y Bey, V., «LeaPPS the process of scaling up learning (2009- present)». 2009.