Statistical charts and indicators on the situation of youth, 1970-1990.

New York : United Nations, 1992 . x, 50, [1] p. : , "United Nations, Department of Economic and Social Development, Statistical Office; Centre for Social Development and Humanitarian Affairs"--P. [i]. | "ST/ESA/STAT/SER.Y/6." | "United Nations publication sales no. E.92.XVII.4"--T.p. verso. 28 cm.. 9211613434

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Guidelines and principles for the development of disability statistics /

New York : United Nations, 2001 . xii, 181 p. : , "ST/ESA/STAT/SER.Y/10." | "United Nations publication sales no. E.01.XVII.15"--T.p. verso. 28 cm.. 9211614422

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Statistical charts and indicators on the situation of youth, 1970-1990.

Guidelines and principles for the development of disability statistics /