Квон Чен-Сик. — Пути и методы реализации энергосберегающей политики изолированного региона ( на примере Сахалинской области) [Электронный ресурс]: автореф. дис...канд. экон. наук: 08.00.05. / Квон Чен-Сик; Санкт-Петербургский государственный технический университет. — Электрон. текстовые дан.(1 файл: 241 кб). — Санкт-Петербург, 2001. — Электрон. версия печ. публикации. — Свободный доступ из сети. — Текстовые файлы. — AdobeAcrobatReader 4,0. — <URL:http://elib.spbstu.ru/dl/063.pdf>.
| Period | Read | Copy | Open | Total | ||
|---|---|---|---|---|---|---|
| Year 2011 | Quarter 4 | 0 | 0 | 1 | 0 | 1 |
| Year 2012 | Quarter 1 | 1 | 0 | 0 | 0 | 1 |
| Quarter 2 | 8 | 0 | 4 | 0 | 12 | |
| Quarter 3 | 2 | 0 | 1 | 0 | 3 | |
| Quarter 4 | 5 | 0 | 6 | 0 | 11 | |
| Year 2013 | Quarter 1 | 4 | 0 | 6 | 0 | 10 |
| Quarter 2 | 12 | 0 | 2 | 0 | 14 | |
| Quarter 3 | 16 | 0 | 3 | 0 | 19 | |
| Quarter 4 | 11 | 0 | 3 | 0 | 14 | |
| Year 2014 | Quarter 1 | 7 | 0 | 4 | 0 | 11 |
| Quarter 2 | 10 | 0 | 7 | 0 | 17 | |
| Quarter 3 | 11 | 0 | 15 | 0 | 26 | |
| Quarter 4 | 13 | 0 | 5 | 0 | 18 | |
| Year 2015 | Quarter 1 | 16 | 0 | 6 | 0 | 22 |
| Quarter 2 | 13 | 0 | 6 | 0 | 19 | |
| Quarter 3 | 18 | 0 | 10 | 0 | 28 | |
| Quarter 4 | 24 | 0 | 9 | 0 | 33 | |
| Year 2016 | Quarter 1 | 25 | 0 | 8 | 0 | 33 |
| Quarter 2 | 24 | 0 | 5 | 0 | 29 | |
| Quarter 3 | 21 | 0 | 3 | 0 | 24 | |
| Quarter 4 | 14 | 0 | 9 | 0 | 23 | |
| Year 2017 | Quarter 1 | 12 | 0 | 8 | 0 | 20 |
| Quarter 2 | 16 | 0 | 10 | 0 | 26 | |
| Quarter 3 | 12 | 0 | 13 | 0 | 25 | |
| Quarter 4 | 13 | 0 | 10 | 0 | 23 | |
| Year 2018 | Quarter 1 | 6 | 0 | 9 | 0 | 15 |
| Quarter 2 | 10 | 0 | 19 | 0 | 29 | |
| Quarter 3 | 11 | 0 | 11 | 0 | 22 | |
| Quarter 4 | 5 | 0 | 9 | 0 | 14 | |
| Year 2019 | Quarter 1 | 6 | 0 | 10 | 0 | 16 |
| Quarter 2 | 6 | 0 | 9 | 0 | 15 | |
| Quarter 3 | 11 | 0 | 12 | 0 | 23 | |
| Quarter 4 | 2 | 0 | 5 | 0 | 7 | |
| Year 2020 | Quarter 1 | 8 | 0 | 31 | 0 | 39 |
| Quarter 2 | 6 | 0 | 1 | 0 | 7 | |
| Quarter 3 | 9 | 0 | 0 | 0 | 9 | |
| Quarter 4 | 5 | 0 | 8 | 0 | 13 | |
| Year 2021 | Quarter 1 | 7 | 0 | 8 | 0 | 15 |
| Quarter 2 | 2 | 0 | 10 | 0 | 12 | |
| Quarter 3 | 5 | 0 | 11 | 0 | 16 | |
| Quarter 4 | 4 | 0 | 8 | 0 | 12 | |
| Year 2022 | Quarter 1 | 9 | 0 | 12 | 0 | 21 |
| Quarter 2 | 2 | 0 | 5 | 0 | 7 | |
| Quarter 3 | 6 | 0 | 18 | 0 | 24 | |
| Quarter 4 | 11 | 0 | 16 | 0 | 27 | |
| Year 2023 | Quarter 1 | 6 | 0 | 14 | 0 | 20 |
| Quarter 2 | 11 | 0 | 19 | 0 | 30 | |
| Quarter 3 | 3 | 0 | 14 | 0 | 17 | |
| Quarter 4 | 7 | 0 | 17 | 0 | 24 | |
| Year 2024 | Quarter 1 | 10 | 0 | 14 | 0 | 24 |
| Quarter 2 | 12 | 0 | 19 | 0 | 31 | |
| Quarter 3 | 6 | 0 | 24 | 0 | 30 | |
| Quarter 4 | 8 | 0 | 24 | 0 | 32 | |
| Year 2025 | Quarter 1 | 6 | 0 | 8 | 0 | 14 |
| Total | 508 | 0 | 519 | 0 | 1,027 | |