http://expert.ru/2018/09/3/rossiya-stanovitsya-spg-tigrom/
http://expert.ru/expert/2018/36/ne-tolko-gaz-i-avtomobili/
http://expert.ru/selection/2018/03/nakormit-kitaj-s-naskoku-ne-poluchitsya/
http://www.ng.ru/ideas/2018-09-02/5_7301_rating.html
Meanwhile, sanctions on trade and ordinary private companies should be avoided, as they hit ordinary Russians.
http://thehill.com/opinion/international/404524-want-to-hit-putin-where-it-hurts-target-his-friends
https://www.gazeta.ru/army/2018/09/02/11940883.shtml
https://www.kommersant.ru/doc/3730656
https://www.kommersant.ru/doc/3730560
https://www.kommersant.ru/doc/3727219
https://meduza.io/feature/2018/08/31/krym-putin-medvezhi-ob-yatiya