https://ru.krymr.com/a/krym-tsena-dlya-rossiyan/29660396.html
https://www.gazeta.ru/army/2018/12/17/12097699.shtml
http://expert.ru/expert/2018/51/kurdskij-den-surka/
https://www.rbc.ru/newspaper/2018/12/14/5c079a1f9a79477ba84e3605
https://www.ft.com/content/b5dc9c38-fd56-11e8-aebf-99e208d3e521
https://www.kommersant.ru/doc/3829091
http://www.ng.ru/economics/2018-12-13/1_7462_palata.html
https://www.vedomosti.ru/business/articles/2018/12/12/789170-rosneft
Study this picture.
https://nationalinterest.org/blog/buzz/does-russia-have-weapon-can-stop-swarm-strikes-38517