A comparative overview of online news [Online resource]Müür, Kristiina; Mölder, Holger; Sazonov, VladimirRussian information campaign against the Ukrainian state and defence forces : combined analysis2016 / p. 70-98 : ill http://www.ester.ee/record=b4650753*est

Conclusions [Online resource]Russian information campaign against the Ukrainian state and defence forces : combined analysis2016 / p. 112-115 http://www.ester.ee/record=b4650753*est

Introduction : hybrid warfare in post-Soviet spaces, is there a logic behind?Polese, Abel; Kevlihan, Rob; Beachain, Donnacha O.Small wars & insurgencies2016 / p. 361-366 http://dx.doi.org/10.1080/09592318.2016.1151660

Political overview [Online resource]Mölder, Holger; Sazonov, VladimirRussian information campaign against the Ukrainian state and defence forces : combined analysis2016 / p. 61-63 : tab http://www.ester.ee/record=b4650753*est

Что сближает Эстонию и Украину? [Võrguväljaanne]Tsybulenko, EvhenNewsroom2017