KÁDEKOVÁ, Z.; KRETTER, A. ECO MARKETING IN AGRICULTURE AND BARRIERS TO ORGANIC FOOD SALES. Zeszyty Naukowe SGGW, Polityki Europejskie, Finanse i Marketing, [S. l.], n. 10(59), p. 394–401, 2013. Disponível em: https://pefim.sggw.edu.pl/article/view/1324. Acesso em: 30 kwi. 2024.