National trends and outlook : industry employment and occupational structure
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書誌事項
National trends and outlook : industry employment and occupational structure
（Bulletin / Bureau of Labor Statistics, no. 1606 . Tomorrow's manpower needs : national manpower projections and a guide to their use as a tool in developing State and area manpower projections ; v. 2）
U.S. Dept. of Labor, Bureau of Labor Statistics , For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1969