G. B. Shell Film London,
“For want of water”. Shell International, Film Library, London, UK, p. film (29 min.): 16 mm, 1983.
IWSA -London, GB, International Water Association,
“Fourth Asia Pacific regional water supply conference and exhibition, Jakarta, Indonesia, 5-11 November 1983 : conference papers”. IWSA (International Water Services Association), London, UK, p. various paging, 1983.
C. A. Arnold en Boerma, E. J.,
Omgaan met (wetenschappelijke) onderwijsliteratuur. The Hague, The Netherlands: Stichting voor Onderzoek van het Onderwijs, 1983, p. xii, 226 p.
C. O. Convenio C. Bogota,
“Propuesta 1984-1985”. Convenio Colombo Holandes en Salud, Bogota, Colombia, p. iv, 57 p., 1983.
PAHO -Washington, DC, US,
“Simposio regional sobre recursos humanos para el Decenio Internacional del Agua Potable y del Saneamiento Ambiental : Panama, 26-30 de julio de 1982”, vol. no. 437. Pan American Health Organization (PAHO), Washington, DC, USA, p. v, 268 p., 1983.
B. J. Dangerfield,
Water supply and sanitation in developing countries, vol. 3. London, UK: Institution of Water Engineers and Scientists (IWES), 1983, p. xvi, 413 p.