https://expert.ru/expert/2019/27/modernizatsiya-glonass-buksuet/
https://www.inopressa.ru/article/01Jul2019/tagesspiegel/social.html
https://www.gazeta.ru/business/2019/06/28/12462679.shtml
https://www.gazeta.ru/comments/column/bovt/12465967.shtml
https://www.gazeta.ru/business/2019/07/01/12468745.shtml
https://www.bbc.com/russian/features-48762158