аудиторный час . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D0%B0%D1%83%D0%B4%D0%B8%D1%82%D0%BE%D1%80%D0%BD%D1%8B%D0%B9%20%D1%87%D0%B0%D1%81/1/rus (21.06.2026)
Translations
аудиторный час . Haridussõnastik. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//har/%D0%B0%D1%83%D0%B4%D0%B8%D1%82%D0%BE%D1%80%D0%BD%D1%8B%D0%B9%20%D1%87%D0%B0%D1%81/1/rus (21.06.2026)