331.1 Labor force and market
331.11 Labor force vi
331.1 Lực lượng lao động và thị trường
331.11 Lực lượng lao động it
331.1 Forze di lavoro e mercato del lavoro
331.11 Forze di lavoro en
331.1 Labor force and market
331.11 Labor force
331.114 Qualifications 331.117 Systems of labor 331.118 Labor productivity 331.119 Labor force by industry and occupation de
331.1 Arbeitskräfte und Arbeitsmarkt
331.11 Arbeitskräfte
331.114 Qualifikationen und persönliche Merkmale 331.117 Arbeitssysteme 331.118 Arbeitsproduktivität 331.119 Arbeitskräfte nach Industrie und Beruf
Dewey Decimal Classification
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