Київська Русь (Kõjivska Russ) . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D0%9A%D0%B8%D1%97%D0%B2%D1%81%D1%8C%D0%BA%D0%B0%20%D0%A0%D1%83%D1%81%D1%8C%20%28K%C3%B5jivska%20Russ%29/1/ukr (21.06.2026)
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