Report of the Working Group on Recommendations for the 1990 Round of Population and Housing Censuses in Africa.
1987
详细记录
符号E/ECA/CPH/10
标题Report of the Working Group on Recommendations for the 1990 Round of Population and Housing Censuses in Africa.
日期[Addis Ababa] : UN, 6 July 1987.
描述
27, 10, [1] p.