S. Smits, Lockwood, H., Danert, K., Pezon, C., Kabirizi, A., Carter, R., y Rop, R.,
«Proceedings of the international symposium on rural water services : providing sustainable water services at scale, 13-15 April 2010, Kampala, Uganda, ». Thematic Group on Scaling Up Rural Water Services, The Hague, The Netherlands, p. 86 p., 2010.