Columbia subject headings:
Democracy--Turkey--History--20th century.
Labor unions--Political activity--Turkey.
Labor unions--Turkey.
Petroleum industry and trade--Turkey.
Petroleum workers--Labor unions--Turkey.
Turkey--Politics and government--1980-
Türkiye Petrol, Kimya, Lastik İşçileri Sendikası.
Harvard subject headings:
Democracy--Turkey--History--20th century.
Labor unions--Political activity--Turkey.
Labor unions--Turkey
Petroleum industry and trade--Turkey.
Petroleum workers--Turkey--Labor unions.
Turkey--Politics and government--1980-
Türkiye Petrol, Kimya, Lastik İşçileri Sendikası.
Princeton subject headings:
Democracy--Turkey--20th century.
Labor unions--Turkey.
Petroleum industry and trade--Turkey.
Turkey--Politics and government--1980-
Türkiye Petrol, Kimya, Lastik İşçileri Sendikası.