HOŠKOVÁ, Elena - ZENTKOVÁ, Iveta - SVETLANSKA, Tatiana. Trends in the Quality of Life of the V4 Countries in the Field of Material Living Conditions. In Visegrad Journal on Bioeconomy and Sustainable : International Scientific Journal. - Nitra : Slovak University of Agriculture in Nitra, 2018. ISSN 1339-3367, 2018, vol. 7, no. 2, s. 57-61.