extracurricular study class (in a subject) . Haridussõnastik. Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//har/extracurricular%20study%20class%20%28in%20a%20subject%29/1/eng (19.06.2026)
extracurricular study class (in a subject) . Huviharidussõnastik. Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//has/extracurricular%20study%20class%20%28in%20a%20subject%29/1/eng (19.06.2026)