Vovk, V. (2003). Sustainable Development for the Second World: Ukraine and the nations in transition.
Chicago-viite (17. p.)Vovk, Viktor. Sustainable Development for the Second World: Ukraine and the Nations in Transition. 2003.
MLA-viite (9. p.)Vovk, Viktor. Sustainable Development for the Second World: Ukraine and the Nations in Transition. 2003.
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