| Version | Summary | Created by | Modification | Content Size | Created at | Operation |
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| 1 | Rita Xu | -- | 1065 | 2022-10-09 01:33:05 |
Doktor nauk (Russian: доктор наук, abbreviated д-р наук or д. н.; Ukrainian: доктор наук; Bulgarian: доктор на науките; Belarusian: доктар навук; lit. "Doctor of Sciences") is a higher doctoral degree which may be earned after the Candidate of Sciences (the latter is informally regarded in Russia and many other post-Soviet states as equivalent to the PhD obtained in countries in which the PhD is not the highest academic degree).