Пачкалов А.В. Торговля в Поволжье в Средние века // Журнал Бюджет. – 2017. – №10(178) — <URL:http://elib.fa.ru/art2017/bv1729.pdf>.
| Period | Read | Copy | Open | Total | |
|---|---|---|---|---|---|
| Year 2020 | 0 | 0 | 1 | 0 | 1 |
| 2021 | 0 | 0 | 0 | 0 | 0 |
| 2022 | 0 | 0 | 0 | 0 | 0 |
| 2023 | 0 | 0 | 0 | 0 | 0 |
| 2024 | 0 | 0 | 0 | 0 | 0 |
| 2025 | 0 | 0 | 0 | 0 | 0 |
| Year 2026 | 0 | 0 | 0 | 0 | 0 |
| Total | 0 | 0 | 1 | 0 | 1 |