https://lb.ua/economics/2018/02/06/389184_zachem_gazprom_torguet_ubitok.html
https://ru.krymr.com/a/29018541.html
http://www.ng.ru/economics/2018-02-05/1_7165_ruble.html
Россия стала номером один!
http://inosmi.ru/economic/20180205/241364775.html
Russia has the best oil and gas companies in the world, according to S&P Platts.
https://www.forbes.com/sites/kenrapoza/2018/02/02/russia-tops-u-s-in-global-energy-company-rankings/
https://zn.ua/internal/ruzhe-na-stene-274120_.html
https://www.gazeta.ru/army/2018/02/01/11634031.shtml?updated