π-Economy. — Санкт-Петербург: СПбПУ, 2022 -.
Т. 16, № 1, 2023. — 1 файл (3,64 Мб). — Свободный доступ из сети Интернет (чтение, печать, копирование). — <URL:http://elib.spbstu.ru/dl/2/j23-178.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2023 | Quarter 2 | 11 | 0 | 22 | 0 | 33 |
| Quarter 3 | 6 | 0 | 7 | 0 | 13 | |
| Quarter 4 | 8 | 0 | 17 | 0 | 25 | |
| Year 2024 | Quarter 1 | 6 | 0 | 8 | 0 | 14 |
| Quarter 2 | 12 | 0 | 12 | 0 | 24 | |
| Quarter 3 | 9 | 0 | 12 | 0 | 21 | |
| Quarter 4 | 6 | 0 | 9 | 0 | 15 | |
| Year 2025 | Quarter 1 | 13 | 0 | 18 | 0 | 31 |
| Quarter 2 | 11 | 0 | 9 | 0 | 20 | |
| Total | 82 | 0 | 114 | 0 | 196 | |