GREŠŠ, Martin. Impact of Economic Sanctions on the Russian Economy. In Security Forum 2018. International Scientific Conference. Security Forum 2018 : Proceedings of 11th Annual International Scientific Conference, February 7th- 8th, 2018, Matej Bel University, (Banská Bystrica, Slovakia). - Banská Bystrica : Interpolis, 2018. ISBN 978-80-972673-6-0, pp. 35-46 online.