Conversion table of code and title changes, third to fourth edition, Dictionary of occupational titles

Conversion table of code and title changes, third to fourth edition, Dictionary of occupational titles

書目詳細資料
企業作者: United States Employment Service
格式: 圖書
語言:English
出版: Washington The Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off. 1979.
主題:
Occupations > Terminology.
Occupations > United States > Classification.