Columbia subject headings:
Kurdistān (Iraq). Ḧikûmetî Herêmî Kurdistan-ʻÊraq.
Petroleum industry and trade--Iraq--Kurdistān.
Petroleum industry and trade--Iraq.
Petroleum law and legislation--Iraq--Kurdistān.
Petroleum law and legislation--Iraq.
Harvard subject headings:
Kurdistān (Iraq). Ḧikûmetî Herêmî Kurdistan-ʻÊraq.
Petroleum industry and trade--Iraq
Petroleum industry and trade--Iraq--Kurdistān.
Petroleum law and legislation--Iraq--Kurdistān.
Petroleum law and legislation--Iraq.
Princeton subject headings:
Kurdistān (Iraq). Ḧikûmetî Herêmî Kurdistan-ʻÊraq
Petroleum industry and trade--Iraq--Kurdistān.
Petroleum industry and trade--Iraq.
Petroleum law and legislation--Iraq--Kurdistān.
Petroleum law and legislation--Iraq.