International standard classification of occupations major minor and unit groups ; final draft.

International standard classification of occupations major minor and unit groups ; final draft.

Dades bibliogràfiques
Autor corporatiu: International Labor Office, International Conference of Labor Statisticians
Format: Llibre
Idioma:English
Publicat: Geneva [s.n.] 1957.
Matèries:
Occupations > Classification.