Південний Буг (Pivdennõi Buh) . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D0%9F%D1%96%D0%B2%D0%B4%D0%B5%D0%BD%D0%BD%D0%B8%D0%B9%20%D0%91%D1%83%D0%B3%20%28Pivdenn%C3%B5i%20Buh%29/1/ukr (21.06.2026)
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