https://lb.ua/society/2018/05/20/398115_boevika_mamaya_likvidirovali.html
http://expert.ru/russian_reporter/2018/10/andrej-iz-donetskogo-anekdota/
https://www.gazeta.ru/business/2018/05/19/11757481.shtml
http://www.ipg-journal.io/regiony/evropa/statja/show/severnyi-potok-2-vopros-evropeiskii-541/
http://www.ipg-journal.io/regiony/evropa/statja/show/bez-rossiiskogo-gaza-prosto-ne-oboitis-540/
https://focus.ua/money/398088/