Bobková, Alica, Martina Fikselová, Marek Bobko, Ľubomír Lopašovský, Tomáš Tóth, and Lucia Zeleňáková. “Selected Parameters of Quality and Safety of Herbal Tea”. Potravinarstvo Slovak Journal of Food Sciences 9, no. 1 (May 21, 2015): 183-189. Accessed June 26, 2019. http://www.potravinarstvo.com/journal1/index.php/potravinarstvo/article/view/451.