KÁDEKOVÁ, Z.; KRETTER, A. Marketing of Direct Selling of Agricultural Products. Zeszyty Naukowe SGGW, Polityki Europejskie, Finanse i Marketing, [S. l.], n. 7(56), p. 38–44, 2012. DOI: 10.22630/PEFIM.2012.7.56.4. Disponível em: https://pefim.sggw.edu.pl/article/view/1482. Acesso em: 20 sty. 2025.