LACKOVÁ, Alica - KARKALÍKOVÁ, Marta - ŽÁK, Štefan. Food quality and safety in the context of increasing their competitiveness. In Commodity science in a changing world. Symposium. Commodity science in a changing world : 20th IGWT symposium : September 12th-16th, 2016, Varna, Bulgaria. - Varna : University of economics, 2016. ISBN 978-954-21-0904-4, p. 666-671 CD-ROM. VEGA 1/0670/16.