International standard classification of occupations /

類似資料

• International Standard Classification of Occupations
  著者:: International Labour Office
  出版事項: (1949)
• National classification of occupations /
  出版事項: (1969)
• International Labour Migration
  著者:: International Labour Office
  出版事項: (2010)
• The Worker`s of Standard of Living
  著者:: Internation Labour Office
  出版事項: (1938)
• The international labour code 1951.
  著者:: International Labour Office
  出版事項: (1952)