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курсы повышения квалификации
refresher courses
User translations
The part of speech is not specified
- 1.
professional training, professional development course.
translation added by Alex HrypunBronze ru-en - 2.
Qualification upgrading courses
translation added by Elena BogomolovaGold ru-en - 3.
refreshing courses
translation added by Констанин Маслов