обучающая поддержка . Haridussõnastik. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//har/%D0%BE%D0%B1%D1%83%D1%87%D0%B0%D1%8E%D1%89%D0%B0%D1%8F%20%D0%BF%D0%BE%D0%B4%D0%B4%D0%B5%D1%80%D0%B6%D0%BA%D0%B0/1/rus (08.10.2026)