Martínez Gutiérrez, Ángel, and Trinidad Vázquez Ruano. “Consumer Protection and Safeguards: Proper Information on the Geographical Origin of Ingredients. The Case of Olive Oils”. Przegląd Prawa Rolnego, no. 2(29), Dec. 2021, pp. 313-29, doi:10.14746/ppr.2021.29.2.16.