https://glavcom.ua/economics/finances/komu-svitit-lampochka-putina-v-ukrajini-744247.html
https://www.kommersant.ru/doc/4740949
https://novayagazeta.ru/articles/2021/03/21/stariki-shpiony
https://www.radiosvoboda.org/a/news-bolgaria-rosia-shpyhunstvo/31162088.html
https://www.gazeta.ru/politics/2021/03/20_a_13518728.shtml
https://www.radiosvoboda.org/a/sipri-ukrajina-rosija-torhivlia-ozbrojenniamy/31156469.html