Columbia subject headings:
Developing countries.
Sustainable development--Former communist countries.
Sustainable development--Ukraine.
Harvard subject headings:
Developing countries.
Sustainable development--Europe, Eastern.
Sustainable development--Former Soviet republics.
Sustainable development--Former communist countries.
Sustainable development--Ukraine.
Princeton subject headings:
Sustainable development--Europe, Eastern.
Sustainable development--Former Soviet republics.
Sustainable development--Ukraine.