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Широков, Ю. А. Охрана труда [Электронный ресурс]: учебник для спо / Ю. А. Широков. — 3-е изд., испр. и доп. — Санкт-Петербург: Лань, 2022 — 376 с. — Книга из коллекции Лань - Инженерно-технические науки. — <URL:https://e.lanbook.com/book/248966>. — <URL:https://e.lanbook.com/img/cover/book/248966.jpg>.
| Period | Read | Copy | Open | Total | |
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| Last day | 0 | 0 | 0 | 0 | 0 |
| Last 30 days | 0 | 0 | 0 | 0 | 0 |
| Last 365 days | 0 | 0 | 0 | 5 | 5 |
| All time | 0 | 0 | 0 | 5 | 5 |