Columbia subject headings:
Harvard subject headings:
Industrial hygiene--Ukraine--Donet︠s︡ʹka oblastʹ.
Work environment--Ukraine--Donet︠s︡ʹka oblastʹ.
Princeton subject headings:
Industrial hygiene--Ukraine--Donetskai︠a︡ oblastʹ.
Work environment--Ukraine--Donetskai︠a︡ oblastʹ.