KUOSMANEN, T.; NIEMI, J. What explains the widening gap between the retail and producer prices of food?. Agricultural and Food Science, [S. l.], v. 18, n. 3-4, p. 317–331, 2009. DOI: 10.23986/afsci.5954. Disponível em: https://journal.fi/afs/article/view/5954. Acesso em: 18 jul. 2024.