| Mode: For a past period of time For all time by years For all time by quarters For all time by months |
Богатырев С.Ю. Теория перспектив: основы и сферы применения // Финансы и кредит. – 2019. – №4 — <URL:http://elib.fa.ru/art2019/bv411.pdf>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Year 2019 | 2 | 0 | 2 | 0 | 4 |
| 2020 | 0 | 0 | 0 | 0 | 0 |
| Year 2021 | 4 | 0 | 0 | 0 | 4 |
| Year 2022 | 2 | 0 | 0 | 0 | 2 |
| Total | 8 | 0 | 2 | 0 | 10 |