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Subject (Genre)
- Electronic books11
- Congresses6
- Periodicals5
- Conference papers and proceedings3
- Cross-cultural studies2
- History2
- Abstracts1
- Audiobooks1
- Case Reports1
- Documentary television programs1
- Downloadable audio books1
- Educational films1
- Handbooks, manuals, etc1
- Internet resources1
- Internet videos1
- Problems, exercises, etc1
- Statistics1
- methods1