Biblio

D. Hall and Adams, M., “Water, sanitation, hygiene and health in the Qabane Valley, Lesotho”. Tebellong Hospital, Primary Health Care Department, Qacha's Nek, Lesotho, p. x, 102 p.: 9 fig., 30 tab., 34 photogr., 1991.

J. Opuda-Asibo, “Domestic animals and animal-related activities as sources of environmental pollution”, in Environmental pollution and its management in Eastern Africa : proceedings of a symposium organized by the Faculty of Science, University of Dar es Salaam, Dar es Salaam, September 11-14th, 1989, 1990, pp. P. 274-281.