https://www.radiosvoboda.org/a/rosiya-ne-vykorystovuye-haz-yak-zbroyu-vy-seryozno/31546995.html
https://jamestown.org/program/gazproms-italian-strike-or-the-latest-russian-blackmail-of-europe/
https://www.kp.ru/daily/28351/4498766/
https://www.svoboda.org/a/crisisniy-argument-pochemu-putin-puskaet-gas-v-evropu/31539883.html