Columbia subject headings:
Harvard subject headings:
Espionage, Turkish.
Intelligence service--Turkey.
Turkey--Politics and government--21st century.
Türkiye Bilimsel ve Teknolojik Araştırma Kurumu.
Ulusal Elektronik ve Kriptoloji Araştırma Enstitüsü (Turkey)
Princeton subject headings:
Espionage, Turkish.
Turkey--Politics and government--21st century.