Основные понятия баз данных
5 months ago 01:28:25 1
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![007. Коммунизм [научный социализм в вопросах и ответах]](https://sun9-21.userapi.com/H3iiVQa-tof89GAb538oxDmJWZKJ9_faJisEtw/pFcWviz_KNU.jpg)
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5 months ago 00:14:08 1
![008. Что приводит к смене формаций [научный социализм в вопросах и ответах]](https://sun9-3.userapi.com/W-UDGEgNgU1p2PK2xVvhZ0oCjt8BZZgRV6gFXg/lPdW93-2rGQ.jpg)