Омельченко, Л.Ю. Теоретические оправдания государственного вмешательства в экономику [Электронный ресурс] / Л.Ю. Омельченко, В.П. Тростинская, Ю.А. Пискарева. — (Секция "Экономическая теория"). — Электрон. текстовые дан. (1 файл : 72,5Кб) // Материалы...25-30 ноября 2002 года [Электронный ресурс] / Совет СПбГПУ по научно-исследовательской работе студентов; Под ред. В.В. Глухова. — СПб., 2003. – Институт международных образовательных программ [Электронный ресурс]. — Загл. с титул. экрана. — Электрон. версия печ. публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 4.0. — <URL:http://elib.spbstu.ru/dl/003750.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2012 | Quarter 1 | 3 | 0 | 3 | 0 | 6 |
| Quarter 2 | 5 | 0 | 5 | 0 | 10 | |
| Quarter 3 | 5 | 0 | 3 | 0 | 8 | |
| Quarter 4 | 5 | 0 | 8 | 0 | 13 | |
| Year 2013 | Quarter 1 | 3 | 0 | 4 | 0 | 7 |
| Quarter 2 | 11 | 0 | 5 | 0 | 16 | |
| Quarter 3 | 16 | 0 | 8 | 0 | 24 | |
| Quarter 4 | 15 | 0 | 5 | 0 | 20 | |
| Year 2014 | Quarter 1 | 10 | 0 | 7 | 0 | 17 |
| Quarter 2 | 19 | 0 | 3 | 0 | 22 | |
| Quarter 3 | 17 | 0 | 5 | 0 | 22 | |
| Quarter 4 | 16 | 0 | 10 | 0 | 26 | |
| Year 2015 | Quarter 1 | 19 | 0 | 6 | 0 | 25 |
| Quarter 2 | 15 | 0 | 4 | 0 | 19 | |
| Quarter 3 | 11 | 0 | 4 | 0 | 15 | |
| Quarter 4 | 17 | 0 | 10 | 0 | 27 | |
| Year 2016 | Quarter 1 | 15 | 0 | 7 | 0 | 22 |
| Quarter 2 | 8 | 0 | 9 | 0 | 17 | |
| Quarter 3 | 5 | 0 | 5 | 0 | 10 | |
| Quarter 4 | 12 | 0 | 16 | 0 | 28 | |
| Year 2017 | Quarter 1 | 9 | 0 | 6 | 0 | 15 |
| Quarter 2 | 6 | 0 | 11 | 0 | 17 | |
| Quarter 3 | 8 | 0 | 8 | 0 | 16 | |
| Quarter 4 | 7 | 0 | 14 | 0 | 21 | |
| Year 2018 | Quarter 1 | 4 | 0 | 19 | 0 | 23 |
| Quarter 2 | 9 | 0 | 24 | 0 | 33 | |
| Quarter 3 | 11 | 0 | 29 | 0 | 40 | |
| Quarter 4 | 6 | 0 | 6 | 0 | 12 | |
| Year 2019 | Quarter 1 | 6 | 0 | 6 | 0 | 12 |
| Quarter 2 | 5 | 0 | 4 | 0 | 9 | |
| Quarter 3 | 5 | 0 | 7 | 0 | 12 | |
| Quarter 4 | 1 | 0 | 2 | 0 | 3 | |
| Year 2020 | Quarter 1 | 4 | 0 | 19 | 0 | 23 |
| Quarter 2 | 8 | 0 | 0 | 0 | 8 | |
| Quarter 3 | 6 | 0 | 0 | 0 | 6 | |
| Quarter 4 | 4 | 0 | 6 | 0 | 10 | |
| Year 2021 | Quarter 1 | 11 | 0 | 7 | 0 | 18 |
| Quarter 2 | 3 | 0 | 7 | 0 | 10 | |
| Quarter 3 | 5 | 0 | 13 | 0 | 18 | |
| Quarter 4 | 3 | 0 | 8 | 0 | 11 | |
| Year 2022 | Quarter 1 | 4 | 0 | 7 | 0 | 11 |
| Quarter 2 | 6 | 0 | 8 | 0 | 14 | |
| Quarter 3 | 6 | 0 | 8 | 0 | 14 | |
| Quarter 4 | 23 | 0 | 4 | 0 | 27 | |
| Year 2023 | Quarter 1 | 13 | 0 | 9 | 0 | 22 |
| Quarter 2 | 4 | 0 | 7 | 0 | 11 | |
| Quarter 3 | 5 | 0 | 9 | 0 | 14 | |
| Quarter 4 | 13 | 0 | 12 | 0 | 25 | |
| Year 2024 | Quarter 1 | 12 | 0 | 16 | 0 | 28 |
| Quarter 2 | 9 | 0 | 9 | 0 | 18 | |
| Quarter 3 | 14 | 0 | 4 | 0 | 18 | |
| Quarter 4 | 2 | 0 | 1 | 0 | 3 | |
| Total | 459 | 0 | 417 | 0 | 876 | |