Výsledky vyhľadávania
- KOVÁČ, Peter - BROCKOVÁ, Ingrid. Energy efficency in Ukraine-the view from Slovakia. In International issues & Slovak foreign policy affairs. - Bratislava : Research Centre of the Slovak Foreign Policy Association, 2016. ISSN 1337-5482, 2016, vol. 25, no. 1-2, s. 81-87.