The Encyclopedia Herald of Ukraine
Roman Senkus. (2009). "Encyclopedia of Ukraine in English and its heritor, www.encyclopediaofukraine.com". The Encyclopedia Herald of Ukraine. Retrieved 2020-04-09 from http://evu.encyclopedia.kiev.ua/en/vol-1/encyclopedia-of-ukraine-in-english-and-its-heritor-www-encyclopediaofukraine-com/.
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