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

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

מידע ביבליוגרפי
Corporate Authors: International Labor Office, International Conference of Labor Statisticians
פורמט: ספר
שפה:English
יצא לאור: Geneva [s.n.] 1957.
נושאים:
Occupations > Classification.