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

ग्रंथसूची विवरण
निगमित लेखक: United States Employment Service
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Washington The Service : for sale by the Supt. of Docs., U.S. Govt. Print. Off. 1979.
विषय:
Occupations > Terminology.
Occupations > United States > Classification.