Vovk, V. (2003). Sustainable Development for the Second World: Ukraine and the nations in transition.
Tohutoru Kātū Chicago (17th ed.)Vovk, Viktor. Sustainable Development for the Second World: Ukraine and the Nations in Transition. 2003.
Tohutoro MLA (9th ed.)Vovk, Viktor. Sustainable Development for the Second World: Ukraine and the Nations in Transition. 2003.
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