Columbia subject headings:
Harvard subject headings:
Donet︠s︡ʹka oblastʹ (Ukraine)--Economic conditions.
Donet︠s︡ʹka oblastʹ (Ukraine)--Economic policy.
Donet︠s︡ʹka oblastʹ (Ukraine)--History.
Luhansʹka oblastʹ (Ukraine)--Economic conditions.
Luhansʹka oblastʹ (Ukraine)--Economic policy.
Luhansʹka oblastʹ (Ukraine)--History.
State-sponsored terrorism--Ukraine--Donet͡sʹka oblastʹ.
State-sponsored terrorism--Ukraine--Luhansʹka oblastʹ.
Princeton subject headings:
Donet︠s︡ʹka oblastʹ (Ukraine)--Economic conditions.
Donet︠s︡ʹka oblastʹ (Ukraine)--Politics and government.
Luhansʹka oblastʹ (Ukraine)--Economic conditions.
Luhansʹka oblastʹ (Ukraine)--Politics and government.