| Mode: For a past period of time For all time by years For all time by quarters For all time by months |
Иванкин, А. Н. Экохимия [Электронный ресурс]: учебное пособие для вузов / А. Н. Иванкин. — Санкт-Петербург: Лань, 2023 — 108 с. — Книга из коллекции Лань - Химия. — <URL:https://e.lanbook.com/book/276599>. — <URL:https://e.lanbook.com/img/cover/book/276599.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 |