UNICEF -New York, NY, US,
« 341 World summit on children ». UNICEF, Division of Information and Public Affairs, New York, NY, USA, p. Video (13 min.): VHS, Pal, 1990.
U. G. U. N. I. C. E. F. - Kampala, UG, U. Ministry o, et UG, U. Ministry o,
« Water and sanitation for health : a handbook for U-two handpump mechanics ». Uganda, Ministry of Health, Entebbe, Uganda, p. 40 p.: drawings, 1990.