International standard classification of occupations /

相似書籍

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