Imprint[Hanoi] : Government of Vietnam, Ministry of Science, Technology and Environment, June 1995.
xix, 247 p. : charts, graphs, illus., maps, tables
At head of title: Government of Viet Nam, Ministry of Science, Technology and Environment. Financed by: United Nations Development Programme. Executed by: World Bank. Prepared with the cooperation of Vietnamese Counterpart Teams. (VIE/89/034).