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.
R. Goodland,
“Environmental aspects of dam and reservoir projects : the World Bank's new policy”,
Waterlines, an international journal of water, sanitation and waste, pp. 7-10: photogr., 1990.