M. L. Borba, Smet, J. E. M., and Sijbesma, C.,
“Enhancing livelihoods through sanitation”, vol. no. 19. IRC, Delft, the Netherlands, p. 63 p. : 14 boxes, 3 fig., 1 matrix, 1 tab., 2007.
S. Smits, Moriarty, P. B., and Sijbesma, C.,
Learning alliances : scaling up innovations in water, sanitation and hygiene, vol. 47. Delft, the Netherlands: IRC, 2007, p. xiv, 172 p. : fig., tab.