https://www.radiosvoboda.org/a/news-kuleba-rosija-trenuvannia-tysk/31219242.html
https://novayagazeta.ru/articles/2021/04/21/vooruzhennyi-pat
https://www.radiosvoboda.org/a/sanktsii-ale-ne-tilky-shcho-mozhe-zupynyty-rosiiu/31214014.html
https://www.radiosvoboda.org/a/putin-poslannia-prezydenta/31215476.html
https://www.inopressa.ru/article/20Apr2021/nzz/powerplay.html