Kaczorowska, Joanna, Krystyna Rejman, Ewa Halicka, and Aleksandra Prandota. “Influence of B2C Sustainability Labels in the Purchasing Behaviour of Polish Consumers in the Olive Oil Market”. Olsztyn Economic Journal 14, no. 3 (September 10, 2019): 299–311. Accessed March 28, 2024. https://czasopisma.uwm.edu.pl/index.php/oej/article/view/4374.