1. Visegrad Journal on Bioeconomy and Sustainable Development
:Visegrad Journal on Bioeconomy and Sustainable Development : International Scientific Journal. - Spracovnaý v EKO-INDEX. Nitra : Slovak University of Agriculture in Nitra. 2x ročne. ISSN 1339-3367. Available on Internet: http://vua.uniag.sk/journal/issues