| Mode: For a past period of time For all time by years For all time by quarters For all time by months |
IT-Expert. — Санкт-Петербург: ИТ Медиа, 2021. — 52 с. — Доступ по паролю из сети Интернет (чтение). — <URL:https://ibooks.ru/reading.php?short=1&productid=379325>. — <URL:https://ibooks.ru/resize/w188/images/T/ite_2021_08.jpg>. — Текст: электронный
| Period | Read | Copy | Open | Total | |
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| Yesterday | 0 | 0 | 0 | 1 | 1 |
| Last 30 days | 0 | 0 | 0 | 2 | 2 |
| Last 365 days | 0 | 0 | 0 | 5 | 5 |
| All time | 0 | 0 | 0 | 6 | 6 |