TY - BOOK ED - United Nations. TI - Methods of projecting the economically active population T2 - Population studies ; no. 46 U1 - 301.32 PY - 1971/// CY - New York PB - United Nations KW - Population forecasting KW - Families KW - Statistics N1 - Manuals on methods of estimating population, Manual V, "United Nations publication. Sales no. E.70.XIII.2." ER -