подсобный фонд . EKI Combined Dictionary 2026. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/dlall/eki/%D0%BF%D0%BE%D0%B4%D1%81%D0%BE%D0%B1%D0%BD%D1%8B%D0%B9%20%D1%84%D0%BE%D0%BD%D0%B4/1/rus (21.06.2026)
Translations
подсобный фонд . Raamatukogusõnastik. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//rara/%D0%BF%D0%BE%D0%B4%D1%81%D0%BE%D0%B1%D0%BD%D1%8B%D0%B9%20%D1%84%D0%BE%D0%BD%D0%B4/1/rus (21.06.2026)