Rovňák, Martin, Lenka Stofejova, Lubomir Kmec, Miroslav Benko, and Daniel Salabura. “Analytical Perspective on the Interest of Slovak Consumers in Certified Ecological Products”. Economics and Environment 82, no. 3 (October 26, 2022): 326–341. Accessed April 26, 2024. https://ekonomiaisrodowisko.pl/journal/article/view/480.