Стара Загора (Stara Zagora) . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D0%A1%D1%82%D0%B0%D1%80%D0%B0%20%D0%97%D0%B0%D0%B3%D0%BE%D1%80%D0%B0%20%28Stara%20Zagora%29/1/bul (21.06.2026)
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