Biblio

C. McIvor, “Community participation in water management : experiences from Zimbabwe”, Development and cooperation (D+C), pp. p. 22-24 : 1 photogr., 2000.

S. B. Feresu and van Sickle, J., “Coliforms as a measure of sewage contamination of the River Zambezi”, Journal of applied bacteriology, pp. p. 397-403: fig., tab., 1990.