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Population Projections, Methodology of the United Nations
United Nations. Ad Hoc Expert Group on Demographic Projections
其他書名
Papers of the United Nations Ad Hoc Expert Group on Demographic Projections, United Nations Headquarters, 16-19 November 1981
出版UN, 1984
ISBN01190831329780119083132
URLhttp://books.google.com.hk/books?id=1-_rAAAAMAAJ&hl=&source=gbs_api