?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=+Akhmedov+Erjan&rft.aulast=Akhmedov&rft.aufirst=Erjan&rft.date=2022&rft.title=Transition+to+circular+economy+in+oil-exporting+countries+%3A+main+challenges+and+the+ways+to+respond+them&rft.isbn=978-963-306-853-3&rft.genre=proceeding