Columbia subject headings:
Employees--Training of--Statistical methods--Handbooks, manuals, etc.
OECD countries.
Occupational training--Statistical methods--Handbooks, manuals, etc.
Vocational education.
Harvard subject headings:
Employees--Training of--Statistical methods--Handbooks, manuals, etc.
OECD countries.
Occupational training--Statistical methods--Handbooks, manuals, etc.
Vocational education.
Princeton subject headings:
Employees--Training of--Statistical methods--Handbooks, manuals, etc.
OECD countries.
Occupational training--Statistical methods--Handbooks, manuals, etc.
Vocational education.