V, K. Y., & O, S. S. (2017). Sustainable Development of EU countries: Assessment Methodology and Indicators. PH "INZHEK".
Lua i Stíl Chicago (17ú heag.)V, Khanova Yelena, agus Skibina Svitlana O. Sustainable Development of EU Countries: Assessment Methodology and Indicators. PH "INZHEK", 2017.
Lua MLA (9ú heag.)V, Khanova Yelena, agus Skibina Svitlana O. Sustainable Development of EU Countries: Assessment Methodology and Indicators. PH "INZHEK", 2017.
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