?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=%D0%90%D1%81%D1%82%D0%B0%D1%85%D0%BE%D0%B2%D0%B0%2C+%D0%9B.+%D0%84.&rft.aulast=%D0%90%D1%81%D1%82%D0%B0%D1%85%D0%BE%D0%B2%D0%B0&rft.aufirst=%D0%9B.+%D0%84.&rft.issue=41&rft.date=2021&rft.issn=2391-9167&rft.atitle=Development+of+professional+competencies+of+future+teachers+of+natural+sciences&rft.title=Scientific+journal&rft.pages=24-33&rft.genre=article