Biblio

M. C. Freeman, Snel, M., M. Yousif, E. - F., Gitahi, S., Khan, F., Wachira, S., and Krukkert, I. J., “The usage of urinals in Kenyan schools”, Waterlines, an international journal of water, sanitation and waste, pp. p. 226 - 239; 3 fig.; 1 tab.; 2 boxes , 2012.

M. Snel, “The worth of school sanitation and hygiene education (SSHE) : case studies”. IRC, Delft, The Netherlands, p. ix, 89 p. : boxes, tab., 2004.

V. Njuguna, Karanja, B., Thuranira, M., Shordt, K., Snel, M., Cairncross, S., Biran, A., and Schmidt, W. - P., “The sustainability and impact of school sanitation, water and hygiene education in Kenya”. S.n., S.l., p. 26 p.; 25 tab.; 8 fig.