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| РА6823 |
Challenges in higher education and research in the 21st century [сборник:годишник] : proceedings of the ... international conference / Heron Press
. - Sofia : Heron Press, 2003-. - 30 см
ISSN 2683-0337УДК 378 До 2018 рег. като книга.| Предметни рубрики: |
| Висше образование |
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