Columbia subject headings:
Mineral industries--Turkey--Statistics--Periodicals.
Mines and mineral resources--Turkey--Statistics--Periodicals.
Harvard subject headings:
Mineral industries--Turkey--Statistics--Periodicals.
Mines and mineral resources--Turkey--Statistics--Periodicals.
Princeton subject headings:
Mineral industries--Turkey--Statistics--Periodicals.
Mines and mineral resources--Turkey--Statistics--Periodicals.
Mines and mineral resources--Turkey--Statistics.