LopaÅ¡ovský, Ľubomír, S. Kunová, A. Bobková, L. Zeleňáková, and M. Bobko. “CONTROL OF OPERATIONAL HYGIENE IN FAST FOOD RESTAURANTS”. Journal of Microbiology, Biotechnology and Food Sciences, vol. 3, no. special issue 3 (Food Sciences), Feb. 2014, pp. 28-30, https://office2.jmbfs.org/index.php/JMBFS/article/view/7566.