Columbia subject headings:
Education--Turkey.
Labor unions and education--Turkey--History.
Occupational training--Turkey.
Working class--Education--Turkey.
Harvard subject headings:
Education--Turkey
Labor unions and education--Turkey--History.
Occupational training--Turkey.
Working class--Education--Turkey.
Princeton subject headings:
Education--Turkey.
Labor unions and education--Turkey--History.
Occupational training--Turkey.
Working class--Education--Turkey.