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Сергеев, Алексей Георгиевич. Сертификация [электронный ресурс]: Учебное пособие / А. Г. Сергеев. — Москва: Университетская книга, 2020 — 352 с. — ВО - Бакалавриат. — <URL:https://znanium.com/catalog/document?id=367554>. — <URL:https://znanium.com/cover/1213/1213727.jpg>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Last day | 0 | 0 | 0 | 0 | 0 |
| Last 30 days | 0 | 0 | 0 | 0 | 0 |
| Last 365 days | 0 | 0 | 0 | 6 | 6 |
| All time | 0 | 0 | 0 | 6 | 6 |